MASTER Net MASTER Database: GRB210813.04 page

Please use the reference to MASTER DataBase as Lipunov et al., 2010, MASTER Robotic Net, Advances in Astronomy, vol. 2010, p.30L

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GRB coord: ErrorBox (deg): Sys Error (deg):
Sattel : Trigger: Notice:
GRB_Name: trignum: Nights after: FullSky


Name FERMI GRB210813.04
Trignum 650508868
Trigger time 2021-08-13 00:54:23.67
Notice time 2021-08-13 01:05:51.092651
Coord, eb (00h 59m 50.40s , +08d 06m 00.0s) , 1.3
Max dist: 1 sigma 3 sigma
AGN candidates: Milliquas
r90wise
wiseXgaia
BL Lac candidates: 1 Sigma
3 Sigma

MASTER observatories and transients from them in error-field
Kislovodsk Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Amur Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Tunka Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
OAFA Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
IAC Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
SAAO Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Tavrida Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
OAGH Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)

All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
2251233 2023-08-07 11:01:49.73291 00h 46m 48.00s +08d 36m 00.0s GFERMI 2.69258 retraction 650508868 1 4044 retraction
1688990 2021-08-13 04:14:45.705217 00h 46m 48.00s +08d 36m 00.0s GFERMI 2.69258 alert 650508868 1 2001 alert
1688884 2021-08-13 01:05:58.23436 00h 59m 50.40s +08d 06m 00.0s FERMI 1.3 alert 650508868 10 115 alert
1688872 2021-08-13 00:59:54.73731 00h 31m 09.60s +02d 52m 48.0s FERMI 11.84 alert 650508868 18 112 alert
1688869 2021-08-13 00:58:14.863866 01h 03m 48.00s +10d 21m 00.0s FERMI 7.63 alert 650508868 23 111 alert

DAYS:

MASTER optical transients in this field
Will be published in GCN, ATEL

Synchronous WFC images
Distance datetime coord2000 observatory camera links
109.7 2021-08-13 00:54:18.747 16h 49m 30.00s -67d 12m 33.0s OAFA 29008 Database OAFA
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2021-08-13 00:54:23 (JD 2459439.537766)

Siderial time 0.860350 h

Ra 00:59:50.40 Dec 08:06:00.00
( 14.960000d, 8.100000d)

Rise 2021-08-12 21:11:17

Transit 2021-08-13 04:02:35

Set 2021-08-13 10:53:53

Amur

Object: Altitude: 7.62 Azimuth: 93.52

Sun: Altitude: 42.06 Azimuth: 303.41

Moon: Altitude: -4.50 Azimuth: 268.90

Tunka

Object: Altitude: 22.64 Azimuth: 73.55

Sun: Altitude: 27.36 Azimuth: 281.20

Moon: Altitude: -19.22 Azimuth: 248.87

Kislovodsk

Object: Altitude: 54.27 Azimuth: 4.84

Sun: Altitude: -12.88 Azimuth: 234.53

Moon: Altitude: -49.00 Azimuth: 182.00

Tavrida

Object: Altitude: 53.04 Azimuth: 350.66

Sun: Altitude: -16.99 Azimuth: 227.36

Moon: Altitude: -47.56 Azimuth: 169.32

SAAO

Object: Altitude: 45.70 Azimuth: 207.28

Sun: Altitude: -54.84 Azimuth: 292.14

Moon: Altitude: -49.89 Azimuth: 32.71

IAC

Object: Altitude: 33.50 Azimuth: 279.47

Sun: Altitude: -46.79 Azimuth: 174.56

Moon: Altitude: -29.51 Azimuth: 104.00

Argentina

Object: Altitude: -20.38 Azimuth: 273.06

Sun: Altitude: -35.86 Azimuth: 85.49

Moon: Altitude: 18.85 Azimuth: 98.73

Mexico

Object: Altitude: -41.47 Azimuth: 221.26

Sun: Altitude: 14.04 Azimuth: 98.96

Moon: Altitude: 46.70 Azimuth: 43.86

Ural

Object: Altitude: 38.67 Azimuth: 25.53

Sun: Altitude: 3.02 Azimuth: 247.23

Moon: Altitude: -33.80 Azimuth: 202.22

Vostryakovo

Object: Altitude: 42.70 Azimuth: 357.49

Sun: Altitude: -8.06 Azimuth: 228.88

Moon: Altitude: -37.31 Azimuth: 175.73

Gal. latitude: -54.403127 Gal. longitude: 127.612544

Dist. to Sun: 123.309416

Dist. to Moon: 174.447861

Moon coord.: (196.494824 d, -2.762079 d)

Sun coord.: (142.625745 d, 14.747650 d)

Lunar disk: 0.222300

Lunar phase: 123.738206

Lunar bright limb: 289.835725

No SN in this field

2021-08-13 01:05:51 (JD 2459439.545729)

Siderial time 1.051984 h

Ra 00:59:50.40 Dec 08:06:00.00
( 14.960000d, 8.100000d)

Rise 2021-08-12 21:11:17

Transit 2021-08-13 04:02:35

Set 2021-08-13 10:53:53

Amur

Object: Altitude: 5.79 Azimuth: 95.72

Sun: Altitude: 43.56 Azimuth: 306.59

Moon: Altitude: -2.77 Azimuth: 271.06

Tunka

Object: Altitude: 20.92 Azimuth: 76.00

Sun: Altitude: 29.09 Azimuth: 283.66

Moon: Altitude: -17.64 Azimuth: 251.27

Kislovodsk

Object: Altitude: 54.00 Azimuth: 9.67

Sun: Altitude: -11.17 Azimuth: 236.76

Moon: Altitude: -48.90 Azimuth: 186.22

Tavrida

Object: Altitude: 53.29 Azimuth: 355.39

Sun: Altitude: -15.47 Azimuth: 229.77

Moon: Altitude: -47.90 Azimuth: 173.41

SAAO

Object: Altitude: 46.74 Azimuth: 203.45

Sun: Altitude: -52.58 Azimuth: 289.44

Moon: Altitude: -51.05 Azimuth: 28.75

IAC

Object: Altitude: 35.99 Azimuth: 281.14

Sun: Altitude: -46.94 Azimuth: 178.61

Moon: Altitude: -31.90 Azimuth: 105.64

Argentina

Object: Altitude: -17.94 Azimuth: 271.52

Sun: Altitude: -38.28 Azimuth: 83.81

Moon: Altitude: 16.54 Azimuth: 97.12

Mexico

Object: Altitude: -39.80 Azimuth: 224.30

Sun: Altitude: 11.62 Azimuth: 100.34

Moon: Altitude: 44.97 Azimuth: 46.97

Ural

Object: Altitude: 37.95 Azimuth: 29.04

Sun: Altitude: 4.47 Azimuth: 249.60

Moon: Altitude: -33.24 Azimuth: 205.47

Vostryakovo

Object: Altitude: 42.71 Azimuth: 1.36

Sun: Altitude: -6.81 Azimuth: 231.38

Moon: Altitude: -37.43 Azimuth: 179.22

Gal. latitude: -54.403127 Gal. longitude: 127.612544

Dist. to Sun: 123.317057

Dist. to Moon: 174.465484

Moon coord.: (196.594606 d, -2.809914 d)

Sun coord.: (142.633245 d, 14.745233 d)

Lunar disk: 0.223045

Lunar phase: 123.635701

Lunar bright limb: 289.837618

No SN in this field

2021-08-13 02:05:51 (JD 2459439.587396)

Siderial time 2.054722 h

Ra 00:59:50.40 Dec 08:06:00.00
( 14.960000d, 8.100000d)

Rise 2021-08-12 21:11:17

Transit 2021-08-13 04:02:35

Set 2021-08-13 10:53:53

Amur

Object: Altitude: -3.61 Azimuth: 107.28

Sun: Altitude: 50.20 Azimuth: 325.55

Moon: Altitude: 6.23 Azimuth: 282.45

Tunka

Object: Altitude: 11.73 Azimuth: 88.22

Sun: Altitude: 37.75 Azimuth: 297.65

Moon: Altitude: -9.10 Azimuth: 263.33

Kislovodsk

Object: Altitude: 50.01 Azimuth: 33.11

Sun: Altitude: -1.59 Azimuth: 247.74

Moon: Altitude: -46.10 Azimuth: 207.36

Tavrida

Object: Altitude: 51.86 Azimuth: 19.90

Sun: Altitude: -6.68 Azimuth: 241.55

Moon: Altitude: -47.39 Azimuth: 194.99

SAAO

Object: Altitude: 49.51 Azimuth: 181.44

Sun: Altitude: -40.27 Azimuth: 278.20

Moon: Altitude: -54.44 Azimuth: 5.33

IAC

Object: Altitude: 48.69 Azimuth: 291.74

Sun: Altitude: -44.88 Azimuth: 199.31

Moon: Altitude: -44.00 Azimuth: 115.83

Argentina

Object: Altitude: -5.17 Azimuth: 263.67

Sun: Altitude: -50.77 Azimuth: 73.36

Moon: Altitude: 4.37 Azimuth: 89.10

Mexico

Object: Altitude: -29.76 Azimuth: 237.74

Sun: Altitude: -0.85 Azimuth: 107.80

Moon: Altitude: 34.75 Azimuth: 60.43

Ural

Object: Altitude: 32.95 Azimuth: 46.29

Sun: Altitude: 12.36 Azimuth: 261.92

Moon: Altitude: -29.11 Azimuth: 221.74

Vostryakovo

Object: Altitude: 41.03 Azimuth: 21.28

Sun: Altitude: 0.37 Azimuth: 244.01

Moon: Altitude: -36.49 Azimuth: 197.35

Gal. latitude: -54.403127 Gal. longitude: 127.612544

Dist. to Sun: 123.357041

Dist. to Moon: 174.522249

Moon coord.: (197.116984 d, -3.060136 d)

Sun coord.: (142.672489 d, 14.732581 d)

Lunar disk: 0.226955

Lunar phase: 123.099186

Lunar bright limb: 289.845606

No SN in this field

2025-03-27 16:53:19 (JD 2460762.203692)

Siderial time 7.754718 h

Ra 00:59:50.40 Dec 08:06:00.00
( 14.960000d, 8.100000d)

Rise 2025-03-28 06:13:44

Transit 2025-03-28 13:05:03

Set 2025-03-28 19:56:21

Amur

Object: Altitude: -30.77 Azimuth: 192.96

Sun: Altitude: -34.27 Azimuth: 204.21

Moon: Altitude: -35.43 Azimuth: 234.06

Tunka

Object: Altitude: -29.03 Azimuth: 165.03

Sun: Altitude: -35.30 Azimuth: 174.39

Moon: Altitude: -44.02 Azimuth: 204.27

Kislovodsk

Object: Altitude: -5.91 Azimuth: 107.16

Sun: Altitude: -15.69 Azimuth: 109.74

Moon: Altitude: -38.24 Azimuth: 120.41

Tavrida

Object: Altitude: 0.24 Azimuth: 101.20

Sun: Altitude: -9.57 Azimuth: 103.62

Moon: Altitude: -32.36 Azimuth: 113.15

SAAO

Object: Altitude: 0.22 Azimuth: 99.75

Sun: Altitude: -4.14 Azimuth: 90.63

Moon: Altitude: -16.23 Azimuth: 69.01

IAC

Object: Altitude: 41.20 Azimuth: 75.01

Sun: Altitude: 31.10 Azimuth: 74.86

Moon: Altitude: 6.75 Azimuth: 77.01

Argentina

Object: Altitude: 49.74 Azimuth: 188.57

Sun: Altitude: 55.33 Azimuth: 174.69

Moon: Altitude: 56.81 Azimuth: 130.20

Mexico

Object: Altitude: 40.92 Azimuth: 287.71

Sun: Altitude: 44.32 Azimuth: 300.65

Moon: Altitude: 47.93 Azimuth: 335.84

Ural

Object: Altitude: -10.22 Azimuth: 122.76

Sun: Altitude: -18.82 Azimuth: 128.23

Moon: Altitude: -36.99 Azimuth: 146.88

Vostryakovo

Object: Altitude: 0.19 Azimuth: 104.08

Sun: Altitude: -8.98 Azimuth: 108.32

Moon: Altitude: -29.54 Azimuth: 122.42

Gal. latitude: -54.403127 Gal. longitude: 127.612544

Dist. to Sun: 10.100048

Dist. to Moon: 34.497951

Moon coord.: (344.396748 d, -8.094219 d)

Sun coord.: (6.352740 d, 2.747981 d)

Lunar disk: 0.045005

Lunar phase: 155.503878

Lunar bright limb: 64.528586

No SN in this field
Recent coverage and limits telegrams

 #######################################################################################
#######################################################################################

  ID = 4814
TYPE = 35
DAYS = 2


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 210813A ( Fermi GBM team, GCN 30640) errorbox  574 sec after notice time and 629 sec after trigger time at 2021-08-13 01:04:52 UT, with upper limit up to  19.2 mag. Observations started at twilight.  The observations began at zenith distance = 36 deg. The sun  altitude  is -16.1 deg. 

MASTER-IAC robotic telescope  located in Spain (IAC Teide Observatory) started inspect of the FERMI GRB 210813A errorbox  616 sec after notice time and 671 sec after trigger time at 2021-08-13 01:05:35 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 54 deg. The sun  altitude  is -47.3 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the FERMI GRB 210813A errorbox  626 sec after notice time and 681 sec after trigger time at 2021-08-13 01:05:44 UT, with upper limit up to  18.0 mag. Observations started at twilight.  The observations began at zenith distance = 35 deg. The sun  altitude  is -11.9 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 210813A errorbox  8371 sec after notice time and 8426 sec after trigger time at 2021-08-13 03:14:49 UT, with upper limit up to  18.6 mag. The observations began at zenith distance = 78 deg. The sun  altitude  is -64.6 deg. 

The galactic latitude b = -54 deg., longitude l = 128 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1688884

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     694 | 2021-08-13 01:04:52 |      MASTER-Tavrida | (00h 56m 40.50s , +08d 15m 20.7s) |  P\ |   130 | 16.1 |        
     737 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 59m 18.91s , +07d 58m 47.0s) |  P| |   130 | 18.6 |        
     907 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 59m 18.91s , +07d 58m 47.0s) |  P| |   470 | 19.7 |  Coadd 
     737 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 58m 31.40s , +08d 03m 43.9s) |  P- |   130 | 18.4 |        
     907 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 58m 31.40s , +08d 03m 44.0s) |  P- |   470 | 19.3 |  Coadd 
     746 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 05.80s , +08d 08m 53.0s) |  P- |   130 | 15.9 |        
     916 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 05.81s , +08d 08m 53.0s) |  P- |   470 | 16.7 |  Coadd 
     746 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 01.56s , +08d 32m 50.9s) |  P| |   130 | 16.5 |        
     916 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 01.56s , +08d 32m 50.9s) |  P| |   470 | 17.0 |  Coadd 
     854 | 2021-08-13 01:07:22 |      MASTER-Tavrida | (00h 56m 48.35s , +08d 14m 14.6s) |  P\ |   150 | 16.1 |        
     902 | 2021-08-13 01:08:05 |          MASTER-IAC | (00h 59m 12.29s , +07d 57m 47.5s) |  P| |   160 | 18.9 |        
     902 | 2021-08-13 01:08:05 |          MASTER-IAC | (00h 58m 24.62s , +08d 02m 44.7s) |  P- |   160 | 18.7 |        
     911 | 2021-08-13 01:08:15 |   MASTER-Kislovodsk | (01h 00m 00.08s , +08d 07m 52.1s) |  P- |   160 | 16.3 |        
     912 | 2021-08-13 01:08:15 |   MASTER-Kislovodsk | (00h 59m 55.61s , +08d 31m 49.0s) |  P| |   160 | 16.5 |        
    1038 | 2021-08-13 01:10:11 |      MASTER-Tavrida | (00h 56m 40.82s , +08d 13m 07.9s) |  P\ |   180 | 16.3 |        
    1092 | 2021-08-13 01:11:05 |          MASTER-IAC | (00h 59m 18.07s , +07d 58m 13.7s) |  P| |   180 | 18.9 |        
    1092 | 2021-08-13 01:11:05 |          MASTER-IAC | (00h 58m 30.24s , +08d 03m 10.7s) |  P- |   180 | 18.6 |        
    1102 | 2021-08-13 01:11:15 |   MASTER-Kislovodsk | (01h 00m 01.28s , +08d 08m 52.3s) |  P- |   180 | 15.6 |        
    1102 | 2021-08-13 01:11:15 |   MASTER-Kislovodsk | (00h 59m 56.65s , +08d 32m 48.7s) |  P| |   180 | 15.9 |        
    1237 | 2021-08-13 01:13:30 |      MASTER-Tavrida | (00h 56m 47.22s , +08d 13m 07.5s) |  P\ |   180 | 16.3 |        
    1292 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 59m 16.05s , +07d 59m 28.3s) |  P| |   180 | 18.9 |        
    1472 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 59m 16.05s , +07d 59m 28.3s) |  P| |   540 | 19.8 |  Coadd 
    1292 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 58m 28.03s , +08d 04m 25.3s) |  P- |   180 | 18.7 |        
    1472 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 58m 28.03s , +08d 04m 25.3s) |  P- |   540 | 19.5 |  Coadd 
    1436 | 2021-08-13 01:16:49 |      MASTER-Tavrida | (00h 56m 43.91s , +08d 14m 33.0s) |  P\ |   180 | 16.5 |        
    1492 | 2021-08-13 01:17:45 |          MASTER-IAC | (00h 59m 16.03s , +07d 58m 00.8s) |  P| |   180 | 18.9 |        
    1492 | 2021-08-13 01:17:45 |          MASTER-IAC | (00h 58m 27.99s , +08d 02m 57.4s) |  P- |   180 | 18.7 |        
    1692 | 2021-08-13 01:21:05 |          MASTER-IAC | (00h 59m 19.72s , +07d 59m 27.8s) |  P| |   180 | 18.9 |        
    1692 | 2021-08-13 01:21:05 |          MASTER-IAC | (00h 58m 31.68s , +08d 04m 24.4s) |  P- |   180 | 18.7 |        
    1832 | 2021-08-13 01:24:25 |          MASTER-IAC | (01h 02m 54.77s , +07d 58m 50.4s) |   C |    60 | 18.6 |        
    1832 | 2021-08-13 01:24:25 |          MASTER-IAC | (00h 54m 47.04s , +08d 04m 10.4s) |   C |    60 | 18.5 |        
    2073 | 2021-08-13 01:28:26 |          MASTER-IAC | (01h 04m 28.98s , +08d 39m 17.4s) |   C |    60 | 18.6 |        
    2073 | 2021-08-13 01:28:26 |          MASTER-IAC | (00h 56m 20.95s , +08d 44m 37.3s) |   C |    60 | 18.5 |        
    2159 | 2021-08-13 01:29:53 |          MASTER-IAC | (01h 04m 18.57s , +06d 45m 19.4s) |   C |    60 | 18.8 |        
    2159 | 2021-08-13 01:29:53 |          MASTER-IAC | (00h 56m 12.85s , +06d 50m 38.5s) |   C |    60 | 18.6 |        
    2239 | 2021-08-13 01:31:12 |          MASTER-IAC | (01h 04m 54.89s , +10d 34m 56.1s) |   C |    60 | 18.9 |        
    2239 | 2021-08-13 01:31:12 |          MASTER-IAC | (00h 56m 44.12s , +10d 40m 16.4s) |   C |    60 | 18.6 |        
    2319 | 2021-08-13 01:32:32 |          MASTER-IAC | (00h 55m 57.65s , +04d 56m 56.9s) |   C |    60 | 18.6 |        
    2399 | 2021-08-13 01:33:52 |          MASTER-IAC | (01h 11m 51.00s , +08d 46m 45.3s) |   C |    60 | 18.5 |        
    2479 | 2021-08-13 01:35:12 |          MASTER-IAC | (01h 11m 25.54s , +06d 51m 45.4s) |   C |    60 | 18.6 |        
    3165 | 2021-08-13 01:46:38 |          MASTER-IAC | (01h 04m 35.83s , +08d 41m 07.8s) |   C |    60 | 18.9 |        
    3165 | 2021-08-13 01:46:38 |          MASTER-IAC | (00h 56m 28.07s , +08d 46m 27.5s) |   C |    60 | 18.6 |        
    3245 | 2021-08-13 01:47:58 |          MASTER-IAC | (01h 04m 12.26s , +06d 46m 13.0s) |   C |    60 | 18.8 |        
    3245 | 2021-08-13 01:47:58 |          MASTER-IAC | (00h 56m 06.81s , +06d 51m 31.9s) |   C |    60 | 18.6 |        
    3326 | 2021-08-13 01:49:19 |          MASTER-IAC | (01h 04m 51.02s , +10d 35m 16.0s) |   C |    60 | 18.8 |        
    3326 | 2021-08-13 01:49:19 |          MASTER-IAC | (00h 56m 40.51s , +10d 40m 36.5s) |   C |    60 | 18.7 |        
    3406 | 2021-08-13 01:50:39 |          MASTER-IAC | (00h 56m 00.81s , +04d 57m 29.8s) |   C |    60 | 18.6 |        
    3486 | 2021-08-13 01:51:59 |          MASTER-IAC | (01h 11m 44.33s , +08d 44m 44.5s) |   C |    60 | 18.5 |        
    3566 | 2021-08-13 01:53:19 |          MASTER-IAC | (01h 11m 30.53s , +06d 51m 06.1s) |   C |    60 | 18.7 |        
    4211 | 2021-08-13 02:04:04 |          MASTER-IAC | (01h 04m 28.84s , +08d 41m 11.7s) |   C |    60 | 18.9 |        
    4211 | 2021-08-13 02:04:04 |          MASTER-IAC | (00h 56m 20.65s , +08d 46m 31.4s) |   C |    60 | 18.7 |        
    4291 | 2021-08-13 02:05:24 |          MASTER-IAC | (01h 04m 17.37s , +06d 46m 10.2s) |   C |    60 | 18.7 |        
    4291 | 2021-08-13 02:05:24 |          MASTER-IAC | (00h 56m 11.51s , +06d 51m 29.7s) |   C |    60 | 18.6 |        
    4371 | 2021-08-13 02:06:44 |          MASTER-IAC | (01h 04m 51.49s , +10d 33m 12.8s) |   C |    60 | 18.9 |        
    4371 | 2021-08-13 02:06:44 |          MASTER-IAC | (00h 56m 40.56s , +10d 38m 33.5s) |   C |    60 | 18.8 |        
    4455 | 2021-08-13 02:08:09 |          MASTER-IAC | (00h 55m 58.70s , +04d 56m 38.8s) |   C |    60 | 18.6 |        
    4535 | 2021-08-13 02:09:29 |          MASTER-IAC | (01h 11m 46.66s , +08d 46m 12.9s) |   C |    60 | 18.5 |        
    4615 | 2021-08-13 02:10:48 |          MASTER-IAC | (01h 11m 27.03s , +06d 50m 50.6s) |   C |    60 | 18.7 |        
    6270 | 2021-08-13 02:38:23 |          MASTER-IAC | (00h 48m 51.79s , +06d 45m 53.7s) |   C |    60 | 19.1 |        
    6410 | 2021-08-13 02:39:43 |          MASTER-IAC | (00h 48m 51.72s , +06d 45m 53.1s) |   C |   180 | 19.7 |        
    7362 | 2021-08-13 02:56:36 |          MASTER-IAC | (00h 48m 54.70s , +06d 45m 00.2s) |   C |    60 | 19.1 |        
    8456 | 2021-08-13 03:14:49 |         MASTER-OAFA | (00h 47m 42.01s , +08d 01m 04.9s) |   C |    60 | 18.0 |        
    8461 | 2021-08-13 03:14:54 |          MASTER-IAC | (00h 48m 57.70s , +06d 45m 03.0s) |   C |    60 | 19.1 |        
    8854 | 2021-08-13 03:21:27 |         MASTER-OAFA | (00h 54m 42.95s , +06d 06m 12.8s) |   C |    60 | 18.0 |        
    9143 | 2021-08-13 03:26:16 |         MASTER-OAFA | (01h 02m 52.51s , +06d 06m 13.2s) |   C |    60 | 17.8 |        
    9662 | 2021-08-13 03:34:56 |         MASTER-OAFA | (00h 47m 48.24s , +08d 01m 00.5s) |   C |    60 | 18.4 |        
   10061 | 2021-08-13 03:41:34 |         MASTER-OAFA | (00h 54m 48.96s , +06d 05m 16.3s) |   C |    60 | 18.3 |        
   10140 | 2021-08-13 03:42:53 |         MASTER-OAFA | (01h 02m 50.09s , +06d 06m 54.2s) |   C |    60 | 18.1 |        
   10219 | 2021-08-13 03:44:13 |         MASTER-OAFA | (00h 55m 05.28s , +08d 00m 58.3s) |   C |    60 | 18.2 |        
   10299 | 2021-08-13 03:45:32 |         MASTER-OAFA | (01h 03m 04.19s , +08d 00m 17.2s) |   C |    60 | 18.1 |        
   10618 | 2021-08-13 03:50:51 |         MASTER-OAFA | (00h 47m 49.06s , +07d 59m 11.7s) |   C |    60 | 18.6 |        
   10697 | 2021-08-13 03:52:10 |         MASTER-OAFA | (00h 55m 21.68s , +09d 53m 40.4s) |   C |    60 | 18.4 |        
   10777 | 2021-08-13 03:53:30 |         MASTER-OAFA | (01h 03m 32.35s , +09d 55m 13.1s) |   C |    60 | 18.2 |        
   11016 | 2021-08-13 03:57:29 |         MASTER-OAFA | (00h 54m 50.40s , +06d 06m 13.7s) |   C |    60 | 18.4 |        
   11095 | 2021-08-13 03:58:48 |         MASTER-OAFA | (01h 02m 48.20s , +06d 05m 18.4s) |   C |    60 | 18.4 |        
   11175 | 2021-08-13 04:00:08 |         MASTER-OAFA | (00h 55m 04.88s , +07d 59m 15.6s) |   C |    60 | 18.5 |        
   11254 | 2021-08-13 04:01:27 |         MASTER-OAFA | (01h 03m 08.00s , +08d 00m 51.2s) |   C |    60 | 18.2 |        
   11660 | 2021-08-13 04:08:13 |         MASTER-OAFA | (00h 55m 24.10s , +09d 53m 38.8s) |   C |    60 | 18.5 |        
   11740 | 2021-08-13 04:09:33 |         MASTER-OAFA | (01h 03m 30.07s , +09d 55m 14.3s) |   C |    60 | 18.3 |        
   12728 | 2021-08-13 04:26:01 |         MASTER-OAFA | (00h 55m 02.39s , +08d 01m 03.8s) |   C |    60 | 18.5 |        
   12807 | 2021-08-13 04:27:20 |         MASTER-OAFA | (01h 03m 07.99s , +07d 59m 26.6s) |   C |    60 | 18.4 |        
   13205 | 2021-08-13 04:33:58 |         MASTER-OAFA | (00h 55m 19.33s , +09d 53m 13.8s) |   C |    60 | 18.5 |        
   13284 | 2021-08-13 04:35:17 |         MASTER-OAFA | (01h 03m 32.71s , +09d 53m 45.1s) |   C |    60 | 18.5 |        
   13364 | 2021-08-13 04:36:37 |         MASTER-OAFA | (01h 10m 24.99s , +08d 01m 15.1s) |   C |    60 | 18.5 |        
   14320 | 2021-08-13 04:52:33 |         MASTER-OAFA | (01h 10m 28.54s , +07d 59m 40.6s) |   C |    60 | 18.5 |        
   64728 | 2021-08-13 18:52:41 |   MASTER-Kislovodsk | (00h 49m 04.20s , +08d 27m 23.8s) |   C |    60 | 16.3 |        
   65129 | 2021-08-13 18:59:22 |   MASTER-Kislovodsk | (00h 48m 48.88s , +06d 34m 32.0s) |   C |    60 | 16.2 |        
   65289 | 2021-08-13 19:02:03 |   MASTER-Kislovodsk | (01h 01m 06.71s , +10d 46m 39.0s) |   C |    60 | 14.8 |        
   65290 | 2021-08-13 19:02:03 |   MASTER-Kislovodsk | (01h 04m 56.91s , +10d 22m 08.2s) |   C |    60 | 14.1 |        
   65691 | 2021-08-13 19:08:44 |   MASTER-Kislovodsk | (00h 49m 10.14s , +08d 29m 26.7s) |   C |    60 | 17.6 |        
   65771 | 2021-08-13 19:10:04 |   MASTER-Kislovodsk | (01h 00m 38.21s , +08d 52m 52.7s) |   C |    60 | 16.8 |        
   65771 | 2021-08-13 19:10:04 |   MASTER-Kislovodsk | (01h 04m 27.32s , +08d 28m 22.0s) |   C |    60 | 17.2 |        
   66091 | 2021-08-13 19:15:24 |   MASTER-Kislovodsk | (00h 48m 55.89s , +06d 34m 07.1s) |   C |    60 | 17.9 |        
   66251 | 2021-08-13 19:18:04 |   MASTER-Kislovodsk | (01h 01m 03.64s , +10d 46m 24.1s) |   C |    60 | 16.9 |        
   66251 | 2021-08-13 19:18:04 |   MASTER-Kislovodsk | (01h 04m 55.07s , +10d 21m 52.1s) |   C |    60 | 17.6 |        
   66331 | 2021-08-13 19:19:25 |   MASTER-Kislovodsk | (01h 00m 24.93s , +06d 59m 52.7s) |   C |    60 | 16.7 |        
   66331 | 2021-08-13 19:19:25 |   MASTER-Kislovodsk | (01h 04m 13.18s , +06d 35m 20.9s) |   C |    60 | 17.3 |        
   66492 | 2021-08-13 19:22:05 |   MASTER-Kislovodsk | (01h 00m 06.54s , +05d 06m 10.2s) |   C |    60 | 16.9 |        
   66652 | 2021-08-13 19:24:45 |   MASTER-Kislovodsk | (00h 49m 06.32s , +08d 28m 08.9s) |   C |    60 | 18.0 |        
   66732 | 2021-08-13 19:26:05 |   MASTER-Kislovodsk | (01h 00m 44.22s , +08d 52m 32.1s) |   C |    60 | 17.3 |        
   66732 | 2021-08-13 19:26:05 |   MASTER-Kislovodsk | (01h 04m 34.39s , +08d 28m 01.2s) |   C |    60 | 17.8 |        
   67053 | 2021-08-13 19:31:27 |   MASTER-Kislovodsk | (00h 48m 50.81s , +06d 35m 32.5s) |   C |    60 | 18.0 |        
   67213 | 2021-08-13 19:34:06 |   MASTER-Kislovodsk | (01h 01m 06.14s , +10d 47m 29.1s) |   C |    60 | 16.7 |        
   67213 | 2021-08-13 19:34:07 |   MASTER-Kislovodsk | (01h 04m 58.97s , +10d 23m 12.4s) |   C |    60 | 17.5 |        
   67294 | 2021-08-13 19:35:27 |   MASTER-Kislovodsk | (01h 00m 20.71s , +06d 58m 31.1s) |   C |    60 | 17.1 |        
   67294 | 2021-08-13 19:35:27 |   MASTER-Kislovodsk | (01h 04m 09.99s , +06d 34m 09.5s) |   C |    60 | 18.0 |        
   67544 | 2021-08-13 19:39:37 |   MASTER-Kislovodsk | (01h 00m 08.23s , +05d 04m 47.4s) |   C |    60 | 16.6 |        
   67704 | 2021-08-13 19:42:17 |   MASTER-Kislovodsk | (01h 00m 37.96s , +08d 53m 41.2s) |   C |    60 | 17.4 |        
   67704 | 2021-08-13 19:42:18 |   MASTER-Kislovodsk | (01h 04m 29.45s , +08d 29m 17.6s) |   C |    60 | 17.8 |        
   68195 | 2021-08-13 19:50:28 |   MASTER-Kislovodsk | (01h 00m 22.22s , +06d 59m 13.5s) |   C |    60 | 17.3 |        
   68195 | 2021-08-13 19:50:28 |   MASTER-Kislovodsk | (01h 04m 12.98s , +06d 34m 56.3s) |   C |    60 | 17.8 |        
   68516 | 2021-08-13 19:55:49 |   MASTER-Kislovodsk | (01h 00m 08.07s , +05d 06m 10.5s) |   C |    60 | 17.5 |        
   69557 | 2021-08-13 20:13:10 |      MASTER-Tavrida | (01h 02m 49.25s , +08d 57m 43.3s) |   C |    60 | 13.8 |        
   70438 | 2021-08-13 20:27:51 |      MASTER-Tavrida | (01h 02m 31.21s , +07d 04m 06.0s) |   C |    60 | 15.4 |        
   70833 | 2021-08-13 20:34:26 |      MASTER-Tavrida | (01h 02m 51.91s , +08d 56m 46.9s) |   C |    60 | 15.1 |        
   71450 | 2021-08-13 20:44:43 |      MASTER-Tavrida | (01h 02m 35.37s , +07d 03m 37.8s) |   C |    60 | 15.6 |        
   71766 | 2021-08-13 20:49:59 |      MASTER-Tavrida | (00h 54m 44.61s , +08d 57m 21.9s) |   C |    60 | 12.3 |        
   71845 | 2021-08-13 20:51:18 |      MASTER-Tavrida | (01h 02m 53.66s , +08d 58m 33.9s) |   C |    60 | 14.9 |        
   72152 | 2021-08-13 20:56:25 |      MASTER-Tavrida | (00h 54m 30.73s , +07d 03m 58.0s) |   C |    60 | 13.1 |        
   72389 | 2021-08-13 21:00:22 |      MASTER-Tavrida | (01h 02m 32.45s , +07d 04m 34.8s) |   C |    60 | 14.6 |        
   72626 | 2021-08-13 21:04:20 |      MASTER-Tavrida | (00h 55m 05.92s , +10d 52m 05.9s) |   C |    60 | 15.5 |        
   72774 | 2021-08-13 21:06:47 |      MASTER-Tavrida | (00h 54m 17.09s , +05d 11m 04.0s) |   C |    60 | 13.5 |        
   72853 | 2021-08-13 21:08:06 |      MASTER-Tavrida | (01h 02m 19.09s , +05d 09m 29.8s) |   C |    60 | 13.3 |        
   73649 | 2021-08-13 21:21:22 |      MASTER-Tavrida | (00h 55m 05.43s , +10d 52m 21.1s) |   C |    60 | 16.6 |        
   73728 | 2021-08-13 21:22:42 |      MASTER-Tavrida | (01h 03m 08.38s , +10d 51m 19.7s) |   C |    60 | 17.1 |        
   73927 | 2021-08-13 21:26:01 |      MASTER-Tavrida | (00h 54m 17.60s , +05d 11m 02.1s) |   C |    60 | 14.3 |        
   74113 | 2021-08-13 21:29:06 |      MASTER-Tavrida | (01h 02m 14.86s , +05d 11m 24.6s) |   C |    60 | 16.1 |        
   74669 | 2021-08-13 21:38:22 |      MASTER-Tavrida | (00h 54m 59.21s , +10d 52m 27.0s) |   C |    60 | 14.9 |        
   74748 | 2021-08-13 21:39:42 |      MASTER-Tavrida | (01h 03m 06.61s , +10d 53m 26.2s) |   C |    60 | 15.7 |        
   74828 | 2021-08-13 21:41:01 |      MASTER-Tavrida | (00h 54m 19.10s , +05d 10m 29.5s) |   C |    60 | 18.0 |        
   75068 | 2021-08-13 21:45:01 |      MASTER-Tavrida | (01h 02m 18.94s , +05d 09m 51.6s) |   C |    60 | 18.3 |        
   87031 | 2021-08-14 01:04:24 |          MASTER-IAC | (00h 49m 05.19s , +08d 41m 07.3s) |   C |    60 | 18.3 |        
   88035 | 2021-08-14 01:21:08 |          MASTER-IAC | (00h 49m 05.38s , +08d 41m 05.4s) |   C |    60 | 18.4 |        
   88635 | 2021-08-14 01:31:08 |          MASTER-IAC | (01h 04m 33.95s , +08d 40m 59.8s) |   C |    60 | 18.2 |        
   88635 | 2021-08-14 01:31:08 |          MASTER-IAC | (00h 56m 24.14s , +08d 46m 15.6s) |   C |    60 | 18.3 |        
   88715 | 2021-08-14 01:32:28 |          MASTER-IAC | (00h 56m 01.36s , +06d 51m 30.3s) |   C |    60 | 18.2 |        
   88715 | 2021-08-14 01:32:28 |          MASTER-IAC | (01h 04m 08.92s , +06d 46m 15.1s) |   C |    60 | 18.3 |        
   88795 | 2021-08-14 01:33:49 |          MASTER-IAC | (01h 04m 48.93s , +10d 35m 17.9s) |   C |    60 | 18.4 |        
   88795 | 2021-08-14 01:33:49 |          MASTER-IAC | (00h 56m 36.22s , +10d 40m 34.5s) |   C |    60 | 18.2 |        
   88875 | 2021-08-14 01:35:09 |          MASTER-IAC | (00h 55m 56.14s , +04d 57m 27.9s) |   C |    60 | 18.3 |        
   89156 | 2021-08-14 01:39:49 |          MASTER-IAC | (00h 49m 10.35s , +08d 39m 08.3s) |   C |    60 | 18.4 |        
   89556 | 2021-08-14 01:46:29 |          MASTER-IAC | (01h 04m 27.98s , +08d 41m 13.1s) |   C |    60 | 18.3 |        
   89556 | 2021-08-14 01:46:29 |          MASTER-IAC | (00h 56m 18.01s , +08d 46m 28.9s) |   C |    60 | 18.3 |        
   89636 | 2021-08-14 01:47:49 |          MASTER-IAC | (01h 04m 16.14s , +06d 46m 11.3s) |   C |    60 | 18.4 |        
   89636 | 2021-08-14 01:47:49 |          MASTER-IAC | (00h 56m 08.50s , +06d 51m 26.9s) |   C |    60 | 18.3 |        
   89716 | 2021-08-14 01:49:09 |          MASTER-IAC | (01h 04m 48.89s , +10d 33m 14.1s) |   C |    60 | 18.3 |        
   89716 | 2021-08-14 01:49:09 |          MASTER-IAC | (00h 56m 36.20s , +10d 38m 30.6s) |   C |    60 | 18.4 |        
   90560 | 2021-08-14 02:03:14 |          MASTER-IAC | (01h 04m 27.21s , +08d 41m 08.8s) |   C |    60 | 18.4 |        
   90560 | 2021-08-14 02:03:14 |          MASTER-IAC | (00h 56m 17.21s , +08d 46m 24.7s) |   C |    60 | 18.3 |        
   90641 | 2021-08-14 02:04:34 |          MASTER-IAC | (01h 04m 14.93s , +06d 46m 07.5s) |   C |    60 | 18.5 |        
   90641 | 2021-08-14 02:04:34 |          MASTER-IAC | (00h 56m 07.15s , +06d 51m 22.9s) |   C |    60 | 18.4 |        
   90720 | 2021-08-14 02:05:53 |          MASTER-IAC | (01h 04m 49.89s , +10d 33m 10.7s) |   C |    60 | 18.4 |        
   90720 | 2021-08-14 02:05:53 |          MASTER-IAC | (00h 56m 36.99s , +10d 38m 27.0s) |   C |    60 | 18.4 |        
   93250 | 2021-08-14 02:48:04 |          MASTER-IAC | (00h 48m 55.76s , +06d 45m 45.6s) |   C |    60 | 18.7 |        
   94280 | 2021-08-14 03:05:14 |          MASTER-IAC | (00h 48m 52.83s , +06d 45m 40.2s) |   C |    60 | 18.9 |        
   95240 | 2021-08-14 03:21:13 |          MASTER-IAC | (00h 48m 54.79s , +06d 44m 42.1s) |   C |    60 | 18.8 |        
   97251 | 2021-08-14 03:54:44 |         MASTER-OAFA | (00h 47m 32.08s , +09d 22m 42.3s) |   C |    60 | 15.8 |        
   97330 | 2021-08-14 03:56:03 |         MASTER-OAFA | (00h 54m 25.42s , +05d 36m 15.6s) |   C |    60 | 16.2 |        
   97409 | 2021-08-14 03:57:23 |         MASTER-OAFA | (01h 02m 20.26s , +05d 35m 29.6s) |   C |    60 | 14.3 |        
   97489 | 2021-08-14 03:58:42 |         MASTER-OAFA | (00h 54m 31.80s , +07d 30m 33.5s) |   C |    60 | 16.0 |        
   97815 | 2021-08-14 04:04:08 |         MASTER-OAFA | (00h 54m 49.70s , +09d 22m 54.4s) |   C |    60 | 16.3 |        
   98175 | 2021-08-14 04:10:08 |         MASTER-OAFA | (00h 47m 26.08s , +07d 29m 34.3s) |   C |    60 | 17.8 |        
   98254 | 2021-08-14 04:11:27 |         MASTER-OAFA | (01h 02m 52.10s , +09d 22m 35.1s) |   C |    60 | 16.0 |        
   98857 | 2021-08-14 04:21:30 |         MASTER-OAFA | (00h 54m 50.93s , +09d 22m 40.3s) |   C |    60 | 17.4 |        
   99219 | 2021-08-14 04:27:32 |         MASTER-OAFA | (00h 47m 26.71s , +07d 28m 48.4s) |   C |    60 | 18.5 |        
   99298 | 2021-08-14 04:28:52 |         MASTER-OAFA | (01h 03m 02.55s , +09d 24m 38.5s) |   C |    60 | 17.6 |        
  100136 | 2021-08-14 04:42:49 |         MASTER-OAFA | (00h 47m 25.71s , +07d 30m 53.7s) |   C |    60 | 18.6 |        
  155631 | 2021-08-14 20:07:44 |      MASTER-Tavrida | (00h 47m 26.18s , +08d 58m 14.3s) |   C |    60 | 18.5 |        
  156118 | 2021-08-14 20:15:52 |      MASTER-Tavrida | (00h 54m 51.43s , +08d 57m 19.4s) |   C |    60 | 18.4 |        
  156452 | 2021-08-14 20:21:26 |      MASTER-Tavrida | (01h 02m 53.77s , +08d 56m 34.8s) |   C |    60 | 18.3 |        
  156861 | 2021-08-14 20:28:15 |      MASTER-Tavrida | (00h 47m 26.58s , +08d 56m 43.8s) |   C |    60 | 18.6 |        
  157350 | 2021-08-14 20:36:23 |      MASTER-Tavrida | (00h 54m 43.88s , +08d 58m 47.6s) |   C |    60 | 18.5 |        
  157429 | 2021-08-14 20:37:42 |      MASTER-Tavrida | (01h 02m 56.91s , +08d 57m 41.4s) |   C |    60 | 18.5 |        
  157853 | 2021-08-14 20:44:46 |      MASTER-Tavrida | (01h 02m 37.05s , +07d 03m 46.7s) |   C |    60 | 18.7 |        
  158385 | 2021-08-14 20:53:38 |      MASTER-Tavrida | (00h 47m 28.96s , +08d 57m 14.8s) |   C |    60 | 19.1 |        
  158873 | 2021-08-14 21:01:46 |      MASTER-Tavrida | (00h 54m 47.54s , +08d 58m 14.8s) |   C |    60 | 19.0 |        
  158953 | 2021-08-14 21:03:06 |      MASTER-Tavrida | (01h 02m 48.21s , +08d 57m 11.2s) |   C |    60 | 18.8 |        
  159032 | 2021-08-14 21:04:25 |      MASTER-Tavrida | (00h 54m 33.40s , +07d 03m 18.6s) |   C |    60 | 18.9 |        
  159111 | 2021-08-14 21:05:44 |      MASTER-Tavrida | (01h 02m 33.64s , +07d 04m 48.5s) |   C |    60 | 18.7 |        
  159797 | 2021-08-14 21:17:10 |      MASTER-Tavrida | (00h 55m 01.85s , +10d 51m 53.1s) |   C |    60 | 18.9 |        
  159876 | 2021-08-14 21:18:29 |      MASTER-Tavrida | (01h 03m 12.67s , +10d 52m 59.3s) |   C |    60 | 18.9 |        
  159955 | 2021-08-14 21:19:48 |      MASTER-Tavrida | (00h 54m 24.46s , +07d 04m 27.0s) |   C |    60 | 19.0 |        
  160034 | 2021-08-14 21:21:07 |      MASTER-Tavrida | (01h 02m 27.67s , +07d 05m 25.6s) |   C |    60 | 18.7 |        
  160461 | 2021-08-14 21:28:14 |      MASTER-Tavrida | (01h 02m 14.03s , +05d 11m 29.8s) |   C |    60 | 18.8 |        
  160936 | 2021-08-14 21:36:09 |      MASTER-Tavrida | (00h 55m 04.55s , +10d 53m 06.0s) |   C |    60 | 18.9 |        
  161015 | 2021-08-14 21:37:28 |      MASTER-Tavrida | (01h 03m 06.53s , +10d 52m 30.7s) |   C |    60 | 19.1 |        
  161173 | 2021-08-14 21:40:06 |      MASTER-Tavrida | (00h 54m 19.84s , +05d 10m 33.3s) |   C |    60 | 19.0 |        
  161415 | 2021-08-14 21:44:08 |      MASTER-Tavrida | (01h 02m 14.68s , +05d 11m 39.7s) |   C |    60 | 18.9 |        
  161890 | 2021-08-14 21:52:03 |      MASTER-Tavrida | (00h 55m 04.63s , +10d 53m 23.6s) |   C |    60 | 19.1 |        
  162082 | 2021-08-14 21:55:15 |      MASTER-Tavrida | (01h 03m 06.74s , +10d 53m 35.0s) |   C |    60 | 19.1 |        
  162161 | 2021-08-14 21:56:34 |      MASTER-Tavrida | (00h 54m 21.15s , +05d 10m 29.5s) |   C |    60 | 19.2 |        
  162331 | 2021-08-14 21:59:24 |      MASTER-Tavrida | (01h 02m 21.25s , +05d 09m 55.5s) |   C |    60 | 19.1 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
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  ID = 4811
TYPE = 35
DAYS = 1


MASTER-IAC robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Spain (IAC Teide Observatory) started inspect of the GFERMI Alert 210813.04 (trigger No 650508868,00h 46m 48.00s , +08d 36m 00.0s, R=2.69258) errorbox 592 sec after trigger time at 2021-08-13 01:04:15 UT, with upper limit up to  20.0 mag. The observations began at zenith distance = 50 deg. The sun  altitude  is -47.2 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the GFERMI Alert 210813.04 errorbox 629 sec after trigger time at 2021-08-13 01:04:52 UT, with upper limit up to  18.8 mag. Observations started at twilight.  The observations began at zenith distance = 36 deg. The sun  altitude  is -16.1 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the GFERMI Alert 210813.04 errorbox 681 sec after trigger time at 2021-08-13 01:05:44 UT, with upper limit up to  18.1 mag. Observations started at twilight.  The observations began at zenith distance = 35 deg. The sun  altitude  is -11.9 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the GFERMI Alert 210813.04 errorbox 8347 sec after trigger time at 2021-08-13 03:13:30 UT, with upper limit up to  20.1 mag. The observations began at zenith distance = 76 deg. The sun  altitude  is -64.4 deg. 

The galactic latitude b = -54 deg., longitude l = 122 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1688982

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     622 | 2021-08-13 01:04:15 |          MASTER-IAC | (00h 49m 25.71s , +10d 35m 09.0s) |   C |    60 | 17.2 |        
     622 | 2021-08-13 01:04:15 |          MASTER-IAC | (00h 41m 12.83s , +10d 40m 32.7s) |   C |    60 | 17.0 |        
     695 | 2021-08-13 01:04:52 |      MASTER-Tavrida | (00h 56m 40.50s , +08d 15m 20.7s) |  P\ |   130 | 16.1 |        
     737 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 59m 18.91s , +07d 58m 47.0s) |  P| |   130 | 18.6 |        
     907 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 59m 18.91s , +07d 58m 47.0s) |  P| |   470 | 19.7 |  Coadd 
     737 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 58m 31.40s , +08d 03m 43.9s) |  P- |   130 | 18.4 |        
     907 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 58m 31.40s , +08d 03m 44.0s) |  P- |   470 | 19.3 |  Coadd 
     747 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 05.80s , +08d 08m 53.0s) |  P- |   130 | 15.9 |        
     917 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 05.81s , +08d 08m 53.0s) |  P- |   470 | 16.7 |  Coadd 
     747 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 01.56s , +08d 32m 50.9s) |  P| |   130 | 16.5 |        
     917 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 01.56s , +08d 32m 50.9s) |  P| |   470 | 17.0 |  Coadd 
     854 | 2021-08-13 01:07:22 |      MASTER-Tavrida | (00h 56m 48.35s , +08d 14m 14.6s) |  P\ |   150 | 16.1 |        
     902 | 2021-08-13 01:08:05 |          MASTER-IAC | (00h 59m 12.29s , +07d 57m 47.5s) |  P| |   160 | 18.9 |        
     902 | 2021-08-13 01:08:05 |          MASTER-IAC | (00h 58m 24.62s , +08d 02m 44.7s) |  P- |   160 | 18.7 |        
     912 | 2021-08-13 01:08:15 |   MASTER-Kislovodsk | (01h 00m 00.08s , +08d 07m 52.1s) |  P- |   160 | 16.3 |        
     912 | 2021-08-13 01:08:15 |   MASTER-Kislovodsk | (00h 59m 55.61s , +08d 31m 49.0s) |  P| |   160 | 16.5 |        
    1039 | 2021-08-13 01:10:11 |      MASTER-Tavrida | (00h 56m 40.82s , +08d 13m 07.9s) |  P\ |   180 | 16.3 |        
    1092 | 2021-08-13 01:11:05 |          MASTER-IAC | (00h 59m 18.07s , +07d 58m 13.7s) |  P| |   180 | 18.9 |        
    1092 | 2021-08-13 01:11:05 |          MASTER-IAC | (00h 58m 30.24s , +08d 03m 10.7s) |  P- |   180 | 18.6 |        
    1103 | 2021-08-13 01:11:15 |   MASTER-Kislovodsk | (01h 00m 01.28s , +08d 08m 52.3s) |  P- |   180 | 15.6 |        
    1103 | 2021-08-13 01:11:15 |   MASTER-Kislovodsk | (00h 59m 56.65s , +08d 32m 48.7s) |  P| |   180 | 15.9 |        
    1238 | 2021-08-13 01:13:30 |      MASTER-Tavrida | (00h 56m 47.22s , +08d 13m 07.5s) |  P\ |   180 | 16.3 |        
    1292 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 59m 16.05s , +07d 59m 28.3s) |  P| |   180 | 18.9 |        
    1472 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 59m 16.05s , +07d 59m 28.3s) |  P| |   540 | 19.8 |  Coadd 
    1292 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 58m 28.03s , +08d 04m 25.3s) |  P- |   180 | 18.7 |        
    1472 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 58m 28.03s , +08d 04m 25.3s) |  P- |   540 | 19.5 |  Coadd 
    1437 | 2021-08-13 01:16:49 |      MASTER-Tavrida | (00h 56m 43.91s , +08d 14m 33.0s) |  P\ |   180 | 16.5 |        
    1493 | 2021-08-13 01:17:45 |          MASTER-IAC | (00h 59m 16.03s , +07d 58m 00.8s) |  P| |   180 | 18.9 |        
    1493 | 2021-08-13 01:17:45 |          MASTER-IAC | (00h 58m 27.99s , +08d 02m 57.4s) |  P- |   180 | 18.7 |        
    1692 | 2021-08-13 01:21:05 |          MASTER-IAC | (00h 59m 19.72s , +07d 59m 27.8s) |  P| |   180 | 18.9 |        
    1692 | 2021-08-13 01:21:05 |          MASTER-IAC | (00h 58m 31.68s , +08d 04m 24.4s) |  P- |   180 | 18.7 |        
    1833 | 2021-08-13 01:24:25 |          MASTER-IAC | (01h 02m 54.77s , +07d 58m 50.4s) |   C |    60 | 18.6 |        
    1833 | 2021-08-13 01:24:25 |          MASTER-IAC | (00h 54m 47.04s , +08d 04m 10.4s) |   C |    60 | 18.5 |        
    1993 | 2021-08-13 01:27:05 |          MASTER-IAC | (00h 49m 30.90s , +10d 34m 09.0s) |   C |    60 | 19.0 |        
    1993 | 2021-08-13 01:27:05 |          MASTER-IAC | (00h 41m 19.87s , +10d 39m 29.8s) |   C |    60 | 18.8 |        
    2073 | 2021-08-13 01:28:26 |          MASTER-IAC | (01h 04m 28.98s , +08d 39m 17.4s) |   C |    60 | 18.6 |        
    2073 | 2021-08-13 01:28:26 |          MASTER-IAC | (00h 56m 20.95s , +08d 44m 37.3s) |   C |    60 | 18.5 |        
    2160 | 2021-08-13 01:29:53 |          MASTER-IAC | (00h 56m 12.85s , +06d 50m 38.5s) |   C |    60 | 18.6 |        
    2240 | 2021-08-13 01:31:12 |          MASTER-IAC | (00h 56m 44.12s , +10d 40m 16.4s) |   C |    60 | 18.6 |        
    2320 | 2021-08-13 01:32:32 |          MASTER-IAC | (00h 55m 57.65s , +04d 56m 56.9s) |   C |    60 | 18.6 |        
    2416 | 2021-08-13 01:34:09 |      MASTER-Tavrida | (00h 38m 50.05s , +07d 01m 22.0s) |   C |    60 | 18.8 |        
    2495 | 2021-08-13 01:35:28 |      MASTER-Tavrida | (00h 46m 48.54s , +07d 00m 36.6s) |   C |    60 | 18.4 |        
    2640 | 2021-08-13 01:37:52 |          MASTER-IAC | (00h 49m 51.22s , +12d 28m 10.4s) |   C |    60 | 19.0 |        
    2640 | 2021-08-13 01:37:52 |          MASTER-IAC | (00h 41m 37.11s , +12d 33m 31.8s) |   C |    60 | 18.8 |        
    3086 | 2021-08-13 01:45:18 |          MASTER-IAC | (00h 49m 26.29s , +10d 33m 29.5s) |   C |    60 | 19.0 |        
    3086 | 2021-08-13 01:45:18 |          MASTER-IAC | (00h 41m 15.57s , +10d 38m 50.2s) |   C |    60 | 19.0 |        
    3166 | 2021-08-13 01:46:38 |          MASTER-IAC | (01h 04m 35.83s , +08d 41m 07.8s) |   C |    60 | 18.9 |        
    3166 | 2021-08-13 01:46:38 |          MASTER-IAC | (00h 56m 28.07s , +08d 46m 27.5s) |   C |    60 | 18.6 |        
    3245 | 2021-08-13 01:47:58 |          MASTER-IAC | (01h 04m 12.26s , +06d 46m 13.0s) |   C |    60 | 18.8 |        
    3245 | 2021-08-13 01:47:58 |          MASTER-IAC | (00h 56m 06.81s , +06d 51m 31.9s) |   C |    60 | 18.6 |        
    3326 | 2021-08-13 01:49:19 |          MASTER-IAC | (00h 56m 40.51s , +10d 40m 36.5s) |   C |    60 | 18.7 |        
    3350 | 2021-08-13 01:49:42 |      MASTER-Tavrida | (00h 38m 47.42s , +06d 59m 59.9s) |   C |    60 | 17.2 |        
    3406 | 2021-08-13 01:50:39 |          MASTER-IAC | (00h 56m 00.81s , +04d 57m 29.8s) |   C |    60 | 18.6 |        
    3429 | 2021-08-13 01:51:01 |      MASTER-Tavrida | (00h 46m 53.40s , +07d 01m 37.1s) |   C |    60 | 17.2 |        
    3727 | 2021-08-13 01:55:59 |          MASTER-IAC | (00h 49m 46.88s , +12d 27m 22.7s) |   C |    60 | 19.0 |        
    3727 | 2021-08-13 01:55:59 |          MASTER-IAC | (00h 41m 32.68s , +12d 32m 45.3s) |   C |    60 | 18.9 |        
    4212 | 2021-08-13 02:04:04 |          MASTER-IAC | (01h 04m 28.84s , +08d 41m 11.7s) |   C |    60 | 18.9 |        
    4212 | 2021-08-13 02:04:04 |          MASTER-IAC | (00h 56m 20.65s , +08d 46m 31.4s) |   C |    60 | 18.7 |        
    4292 | 2021-08-13 02:05:24 |          MASTER-IAC | (00h 56m 11.51s , +06d 51m 29.7s) |   C |    60 | 18.6 |        
    4372 | 2021-08-13 02:06:44 |          MASTER-IAC | (00h 56m 40.56s , +10d 38m 33.5s) |   C |    60 | 18.8 |        
    4456 | 2021-08-13 02:08:09 |          MASTER-IAC | (00h 55m 58.70s , +04d 56m 38.8s) |   C |    60 | 18.6 |        
    4777 | 2021-08-13 02:13:30 |          MASTER-IAC | (00h 49m 43.41s , +12d 28m 03.5s) |   C |    60 | 19.1 |        
    4777 | 2021-08-13 02:13:30 |          MASTER-IAC | (00h 41m 28.78s , +12d 33m 25.5s) |   C |    60 | 18.9 |        
    6271 | 2021-08-13 02:38:23 |          MASTER-IAC | (00h 48m 51.79s , +06d 45m 53.7s) |   C |    60 | 19.1 |        
    6271 | 2021-08-13 02:38:23 |          MASTER-IAC | (00h 40m 45.74s , +06d 51m 12.5s) |   C |    60 | 18.9 |        
    6411 | 2021-08-13 02:39:43 |          MASTER-IAC | (00h 48m 51.72s , +06d 45m 53.1s) |   C |   180 | 19.7 |        
    6411 | 2021-08-13 02:39:43 |          MASTER-IAC | (00h 40m 45.59s , +06d 51m 12.4s) |   C |   180 | 19.7 |        
    6813 | 2021-08-13 02:46:25 |          MASTER-IAC | (00h 33m 33.04s , +06d 44m 42.2s) |   C |   180 | 19.9 |        
    7221 | 2021-08-13 02:53:14 |          MASTER-IAC | (00h 33m 36.03s , +06d 46m 26.9s) |   C |   180 | 19.8 |        
    7363 | 2021-08-13 02:56:36 |          MASTER-IAC | (00h 48m 54.70s , +06d 45m 00.2s) |   C |    60 | 19.1 |        
    7363 | 2021-08-13 02:56:36 |          MASTER-IAC | (00h 40m 48.20s , +06d 50m 19.3s) |   C |    60 | 19.1 |        
    8377 | 2021-08-13 03:13:30 |         MASTER-OAFA | (00h 39m 36.49s , +08d 00m 01.5s) |   C |    60 | 18.1 |        
    8457 | 2021-08-13 03:14:49 |         MASTER-OAFA | (00h 47m 42.01s , +08d 01m 04.9s) |   C |    60 | 18.0 |        
    8462 | 2021-08-13 03:14:54 |          MASTER-IAC | (00h 48m 57.70s , +06d 45m 03.0s) |   C |    60 | 19.1 |        
    8462 | 2021-08-13 03:14:54 |          MASTER-IAC | (00h 40m 51.00s , +06d 50m 20.8s) |   C |    60 | 18.9 |        
    8616 | 2021-08-13 03:17:28 |         MASTER-OAFA | (00h 47m 18.35s , +04d 11m 10.1s) |   C |    60 | 18.2 |        
    8854 | 2021-08-13 03:21:27 |         MASTER-OAFA | (00h 54m 42.95s , +06d 06m 12.8s) |   C |    60 | 18.0 |        
    9584 | 2021-08-13 03:33:36 |         MASTER-OAFA | (00h 39m 39.29s , +07d 59m 15.2s) |   C |    60 | 18.5 |        
    9663 | 2021-08-13 03:34:56 |         MASTER-OAFA | (00h 47m 48.24s , +08d 01m 00.5s) |   C |    60 | 18.4 |        
    9822 | 2021-08-13 03:37:35 |         MASTER-OAFA | (00h 47m 18.65s , +04d 13m 10.4s) |   C |    60 | 18.5 |        
   10061 | 2021-08-13 03:41:34 |         MASTER-OAFA | (00h 54m 48.96s , +06d 05m 16.3s) |   C |    60 | 18.3 |        
   10141 | 2021-08-13 03:42:53 |         MASTER-OAFA | (01h 02m 50.09s , +06d 06m 54.2s) |   C |    60 | 18.1 |        
   10145 | 2021-08-13 03:42:58 |          MASTER-IAC | (00h 57m 04.07s , +12d 32m 40.6s) |   C |    60 | 18.8 |        
   10220 | 2021-08-13 03:44:13 |         MASTER-OAFA | (00h 55m 05.28s , +08d 00m 58.3s) |   C |    60 | 18.2 |        
   10300 | 2021-08-13 03:45:32 |         MASTER-OAFA | (01h 03m 04.19s , +08d 00m 17.2s) |   C |    60 | 18.1 |        
   10539 | 2021-08-13 03:49:31 |         MASTER-OAFA | (00h 39m 36.04s , +07d 59m 06.9s) |   C |    60 | 18.7 |        
   10618 | 2021-08-13 03:50:51 |         MASTER-OAFA | (00h 47m 49.06s , +07d 59m 11.7s) |   C |    60 | 18.6 |        
   10698 | 2021-08-13 03:52:10 |         MASTER-OAFA | (00h 55m 21.68s , +09d 53m 40.4s) |   C |    60 | 18.4 |        
   10778 | 2021-08-13 03:53:30 |         MASTER-OAFA | (01h 03m 32.35s , +09d 55m 13.1s) |   C |    60 | 18.2 |        
   11016 | 2021-08-13 03:57:29 |         MASTER-OAFA | (00h 54m 50.40s , +06d 06m 13.7s) |   C |    60 | 18.4 |        
   11136 | 2021-08-13 03:59:29 |          MASTER-IAC | (00h 57m 06.78s , +12d 32m 22.0s) |   C |    60 | 18.8 |        
   11175 | 2021-08-13 04:00:08 |         MASTER-OAFA | (00h 55m 04.88s , +07d 59m 15.6s) |   C |    60 | 18.5 |        
   11255 | 2021-08-13 04:01:27 |         MASTER-OAFA | (01h 03m 08.00s , +08d 00m 51.2s) |   C |    60 | 18.2 |        
   11341 | 2021-08-13 04:02:53 |         MASTER-OAFA | (00h 39m 31.81s , +06d 06m 40.6s) |   C |    60 | 18.8 |        
   11421 | 2021-08-13 04:04:13 |         MASTER-OAFA | (00h 47m 29.39s , +06d 06m 11.5s) |   C |    60 | 18.7 |        
   11500 | 2021-08-13 04:05:33 |         MASTER-OAFA | (00h 39m 57.20s , +09d 54m 08.2s) |   C |    60 | 18.8 |        
   11580 | 2021-08-13 04:06:52 |         MASTER-OAFA | (00h 47m 58.56s , +09d 53m 11.3s) |   C |    60 | 18.7 |        
   11661 | 2021-08-13 04:08:13 |         MASTER-OAFA | (00h 55m 24.10s , +09d 53m 38.8s) |   C |    60 | 18.5 |        
   11740 | 2021-08-13 04:09:33 |         MASTER-OAFA | (01h 03m 30.07s , +09d 55m 14.3s) |   C |    60 | 18.3 |        
   11848 | 2021-08-13 04:10:20 |          MASTER-IAC | (00h 46m 00.69s , +08d 28m 10.5s) |  P| |   180 | 19.4 |        
   12028 | 2021-08-13 04:10:20 |          MASTER-IAC | (00h 46m 00.69s , +08d 28m 10.4s) |  P| |   540 | 20.0 |  Coadd 
   11848 | 2021-08-13 04:10:20 |          MASTER-IAC | (00h 45m 08.87s , +08d 34m 02.2s) |  P- |   180 | 19.0 |        
   12028 | 2021-08-13 04:10:20 |          MASTER-IAC | (00h 45m 08.86s , +08d 34m 02.2s) |  P- |   540 | 19.9 |  Coadd 
   11911 | 2021-08-13 04:11:23 |         MASTER-OAFA | (00h 44m 17.16s , +07d 48m 10.1s) |   C |   180 | 19.5 |        
   12091 | 2021-08-13 04:11:23 |         MASTER-OAFA | (00h 44m 17.16s , +07d 48m 10.1s) |   C |   540 | 20.1 |  Coadd 
   12080 | 2021-08-13 04:14:12 |          MASTER-IAC | (00h 46m 01.53s , +08d 29m 05.7s) |  P| |   180 | 19.4 |        
   12080 | 2021-08-13 04:14:12 |          MASTER-IAC | (00h 45m 09.47s , +08d 34m 57.1s) |  P- |   180 | 19.2 |        
   12110 | 2021-08-13 04:14:43 |         MASTER-OAFA | (00h 44m 18.43s , +07d 49m 09.9s) |   C |   180 | 19.5 |        
   12290 | 2021-08-13 04:17:43 |          MASTER-IAC | (00h 46m 06.74s , +08d 28m 03.7s) |  P| |   180 | 19.5 |        
   12290 | 2021-08-13 04:17:43 |          MASTER-IAC | (00h 45m 14.52s , +08d 33m 54.8s) |  P- |   180 | 19.2 |        
   12310 | 2021-08-13 04:18:02 |         MASTER-OAFA | (00h 44m 24.54s , +07d 48m 10.3s) |   C |   180 | 19.5 |        
   12490 | 2021-08-13 04:21:03 |          MASTER-IAC | (00h 46m 01.34s , +08d 27m 02.4s) |  P| |   180 | 19.5 |        
   12490 | 2021-08-13 04:21:03 |          MASTER-IAC | (00h 45m 09.04s , +08d 32m 53.1s) |  P- |   180 | 19.2 |        
   12509 | 2021-08-13 04:21:22 |         MASTER-OAFA | (00h 44m 18.15s , +07d 47m 10.1s) |   C |   180 | 19.5 |        
   12729 | 2021-08-13 04:26:01 |         MASTER-OAFA | (00h 55m 02.39s , +08d 01m 03.8s) |   C |    60 | 18.5 |        
   12808 | 2021-08-13 04:27:20 |         MASTER-OAFA | (01h 03m 07.99s , +07d 59m 26.6s) |   C |    60 | 18.4 |        
   12887 | 2021-08-13 04:28:40 |         MASTER-OAFA | (00h 39m 32.11s , +06d 06m 46.5s) |   C |    60 | 18.9 |        
   12967 | 2021-08-13 04:30:00 |         MASTER-OAFA | (00h 47m 28.50s , +06d 06m 11.0s) |   C |    60 | 18.7 |        
   13047 | 2021-08-13 04:31:19 |         MASTER-OAFA | (00h 39m 50.77s , +09d 55m 07.0s) |   C |    60 | 18.9 |        
   13064 | 2021-08-13 04:31:37 |          MASTER-IAC | (00h 57m 00.30s , +12d 32m 10.5s) |   C |    60 | 18.7 |        
   13126 | 2021-08-13 04:32:38 |         MASTER-OAFA | (00h 48m 04.93s , +09d 54m 10.5s) |   C |    60 | 18.7 |        
   13205 | 2021-08-13 04:33:58 |         MASTER-OAFA | (00h 55m 19.33s , +09d 53m 13.8s) |   C |    60 | 18.5 |        
   13285 | 2021-08-13 04:35:17 |         MASTER-OAFA | (01h 03m 32.71s , +09d 53m 45.1s) |   C |    60 | 18.5 |        
   13524 | 2021-08-13 04:39:16 |         MASTER-OAFA | (00h 32m 19.50s , +08d 00m 03.5s) |   C |    60 | 18.8 |        
   13684 | 2021-08-13 04:41:56 |         MASTER-OAFA | (00h 40m 07.81s , +11d 47m 04.8s) |   C |    60 | 18.8 |        
   13764 | 2021-08-13 04:43:16 |         MASTER-OAFA | (00h 48m 25.69s , +11d 47m 21.3s) |   C |    60 | 18.8 |        
   13843 | 2021-08-13 04:44:36 |         MASTER-OAFA | (00h 39m 28.65s , +06d 06m 55.4s) |   C |    60 | 18.9 |        
   13923 | 2021-08-13 04:45:55 |         MASTER-OAFA | (00h 47m 32.07s , +06d 05m 22.8s) |   C |    60 | 19.0 |        
   14002 | 2021-08-13 04:47:15 |         MASTER-OAFA | (00h 39m 57.54s , +09d 54m 38.3s) |   C |    60 | 18.9 |        
   14082 | 2021-08-13 04:48:34 |         MASTER-OAFA | (00h 47m 58.50s , +09d 54m 08.6s) |   C |    60 | 18.7 |        
   14241 | 2021-08-13 04:51:13 |         MASTER-OAFA | (00h 32m 09.81s , +06d 05m 02.2s) |   C |    60 | 18.8 |        
   14479 | 2021-08-13 04:55:12 |         MASTER-OAFA | (00h 32m 22.65s , +07d 59m 04.7s) |   C |    60 | 18.9 |        
   14638 | 2021-08-13 04:57:51 |         MASTER-OAFA | (00h 40m 07.98s , +11d 48m 02.5s) |   C |    60 | 18.9 |        
   14718 | 2021-08-13 04:59:11 |         MASTER-OAFA | (00h 48m 19.25s , +11d 49m 07.3s) |   C |    60 | 18.8 |        
   14883 | 2021-08-13 05:01:56 |         MASTER-OAFA | (00h 32m 37.29s , +09d 53m 25.4s) |   C |    60 | 19.0 |        
   15257 | 2021-08-13 05:08:09 |         MASTER-OAFA | (00h 32m 10.25s , +06d 05m 54.8s) |   C |    60 | 18.8 |        
   15416 | 2021-08-13 05:10:48 |         MASTER-OAFA | (00h 32m 24.29s , +07d 59m 56.8s) |   C |    60 | 18.9 |        
   15702 | 2021-08-13 05:15:35 |         MASTER-OAFA | (00h 40m 13.69s , +11d 47m 07.4s) |   C |    60 | 19.0 |        
   15782 | 2021-08-13 05:16:54 |         MASTER-OAFA | (00h 48m 21.47s , +11d 48m 44.0s) |   C |    60 | 18.9 |        
   15940 | 2021-08-13 05:19:33 |         MASTER-OAFA | (00h 32m 36.71s , +09d 54m 47.8s) |   C |    60 | 19.2 |        
   16304 | 2021-08-13 05:25:36 |         MASTER-OAFA | (00h 32m 14.80s , +06d 05m 52.3s) |   C |    60 | 18.9 |        
   16869 | 2021-08-13 05:35:01 |         MASTER-OAFA | (00h 32m 36.66s , +09d 54m 28.1s) |   C |    60 | 19.0 |        
   64568 | 2021-08-13 18:50:01 |   MASTER-Kislovodsk | (00h 30m 03.47s , +10d 48m 12.2s) |   C |    60 | 15.6 |        
   64568 | 2021-08-13 18:50:01 |   MASTER-Kislovodsk | (00h 33m 55.25s , +10d 23m 51.7s) |   C |    60 | 17.1 |        
   64649 | 2021-08-13 18:51:21 |   MASTER-Kislovodsk | (00h 29m 58.10s , +08d 53m 13.1s) |   C |    60 | 17.1 |        
   64649 | 2021-08-13 18:51:21 |   MASTER-Kislovodsk | (00h 33m 48.13s , +08d 28m 48.8s) |   C |    60 | 17.5 |        
   64729 | 2021-08-13 18:52:41 |   MASTER-Kislovodsk | (00h 45m 15.21s , +08d 51m 52.6s) |   C |    60 | 15.9 |        
   64729 | 2021-08-13 18:52:41 |   MASTER-Kislovodsk | (00h 49m 04.20s , +08d 27m 23.8s) |   C |    60 | 16.3 |        
   64970 | 2021-08-13 18:56:42 |   MASTER-Kislovodsk | (00h 49m 49.00s , +12d 15m 48.8s) |   C |    60 | 17.0 |        
   64970 | 2021-08-13 18:56:42 |   MASTER-Kislovodsk | (00h 45m 55.95s , +12d 40m 10.0s) |   C |    60 | 16.8 |        
   65050 | 2021-08-13 18:58:02 |   MASTER-Kislovodsk | (00h 29m 47.65s , +06d 59m 58.3s) |   C |    60 | 16.9 |        
   65050 | 2021-08-13 18:58:02 |   MASTER-Kislovodsk | (00h 33m 36.61s , +06d 35m 34.9s) |   C |    60 | 17.6 |        
   65130 | 2021-08-13 18:59:22 |   MASTER-Kislovodsk | (00h 45m 00.90s , +06d 59m 01.7s) |   C |    60 | 16.6 |        
   65130 | 2021-08-13 18:59:22 |   MASTER-Kislovodsk | (00h 48m 48.88s , +06d 34m 32.0s) |   C |    60 | 16.2 |        
   65210 | 2021-08-13 19:00:42 |   MASTER-Kislovodsk | (00h 45m 32.62s , +10d 48m 00.3s) |   C |    60 | 17.2 |        
   65210 | 2021-08-13 19:00:42 |   MASTER-Kislovodsk | (00h 49m 23.74s , +10d 23m 36.7s) |   C |    60 | 17.6 |        
   65290 | 2021-08-13 19:02:03 |   MASTER-Kislovodsk | (01h 01m 06.71s , +10d 46m 39.0s) |   C |    60 | 14.8 |        
   65450 | 2021-08-13 19:04:43 |   MASTER-Kislovodsk | (00h 44m 56.34s , +05d 04m 15.0s) |   C |    60 | 16.7 |        
   65450 | 2021-08-13 19:04:43 |   MASTER-Kislovodsk | (00h 48m 43.56s , +04d 39m 44.4s) |   C |    60 | 16.4 |        
   65530 | 2021-08-13 19:06:03 |   MASTER-Kislovodsk | (00h 30m 07.19s , +10d 48m 11.0s) |   C |    60 | 17.3 |        
   65530 | 2021-08-13 19:06:03 |   MASTER-Kislovodsk | (00h 33m 59.87s , +10d 23m 55.1s) |   C |    60 | 18.0 |        
   65611 | 2021-08-13 19:07:23 |   MASTER-Kislovodsk | (00h 29m 54.86s , +08d 52m 47.8s) |   C |    60 | 17.3 |        
   65611 | 2021-08-13 19:07:23 |   MASTER-Kislovodsk | (00h 33m 45.88s , +08d 28m 29.7s) |   C |    60 | 18.0 |        
   65691 | 2021-08-13 19:08:44 |   MASTER-Kislovodsk | (00h 45m 20.08s , +08d 53m 50.5s) |   C |    60 | 17.1 |        
   65691 | 2021-08-13 19:08:44 |   MASTER-Kislovodsk | (00h 49m 10.14s , +08d 29m 26.7s) |   C |    60 | 17.6 |        
   65771 | 2021-08-13 19:10:04 |   MASTER-Kislovodsk | (01h 00m 38.21s , +08d 52m 52.7s) |   C |    60 | 16.8 |        
   65771 | 2021-08-13 19:10:04 |   MASTER-Kislovodsk | (01h 04m 27.32s , +08d 28m 22.0s) |   C |    60 | 17.2 |        
   65932 | 2021-08-13 19:12:44 |   MASTER-Kislovodsk | (00h 45m 58.60s , +12d 41m 17.8s) |   C |    60 | 17.5 |        
   65932 | 2021-08-13 19:12:44 |   MASTER-Kislovodsk | (00h 49m 53.02s , +12d 16m 53.1s) |   C |    60 | 17.9 |        
   66012 | 2021-08-13 19:14:04 |   MASTER-Kislovodsk | (00h 29m 43.46s , +06d 58m 43.3s) |   C |    60 | 17.4 |        
   66012 | 2021-08-13 19:14:04 |   MASTER-Kislovodsk | (00h 33m 33.71s , +06d 34m 17.1s) |   C |    60 | 18.0 |        
   66092 | 2021-08-13 19:15:24 |   MASTER-Kislovodsk | (00h 45m 06.66s , +06d 58m 38.7s) |   C |    60 | 17.5 |        
   66092 | 2021-08-13 19:15:24 |   MASTER-Kislovodsk | (00h 48m 55.89s , +06d 34m 07.1s) |   C |    60 | 17.9 |        
   66172 | 2021-08-13 19:16:44 |   MASTER-Kislovodsk | (00h 45m 35.39s , +10d 48m 17.2s) |   C |    60 | 17.6 |        
   66172 | 2021-08-13 19:16:44 |   MASTER-Kislovodsk | (00h 49m 27.83s , +10d 23m 50.8s) |   C |    60 | 18.1 |        
   66252 | 2021-08-13 19:18:04 |   MASTER-Kislovodsk | (01h 01m 03.64s , +10d 46m 24.1s) |   C |    60 | 16.9 |        
   66332 | 2021-08-13 19:19:25 |   MASTER-Kislovodsk | (01h 00m 24.93s , +06d 59m 52.7s) |   C |    60 | 16.7 |        
   66412 | 2021-08-13 19:20:45 |   MASTER-Kislovodsk | (00h 44m 51.20s , +05d 05m 28.7s) |   C |    60 | 17.4 |        
   66412 | 2021-08-13 19:20:45 |   MASTER-Kislovodsk | (00h 48m 39.35s , +04d 41m 00.5s) |   C |    60 | 17.7 |        
   66653 | 2021-08-13 19:24:45 |   MASTER-Kislovodsk | (00h 45m 14.60s , +08d 52m 35.1s) |   C |    60 | 17.6 |        
   66653 | 2021-08-13 19:24:45 |   MASTER-Kislovodsk | (00h 49m 06.32s , +08d 28m 08.9s) |   C |    60 | 18.0 |        
   66733 | 2021-08-13 19:26:05 |   MASTER-Kislovodsk | (01h 00m 44.22s , +08d 52m 32.1s) |   C |    60 | 17.3 |        
   66733 | 2021-08-13 19:26:05 |   MASTER-Kislovodsk | (01h 04m 34.39s , +08d 28m 01.2s) |   C |    60 | 17.8 |        
   67054 | 2021-08-13 19:31:27 |   MASTER-Kislovodsk | (00h 44m 58.23s , +06d 59m 50.8s) |   C |    60 | 17.5 |        
   67054 | 2021-08-13 19:31:27 |   MASTER-Kislovodsk | (00h 48m 50.81s , +06d 35m 32.5s) |   C |    60 | 18.0 |        
   67214 | 2021-08-13 19:34:06 |   MASTER-Kislovodsk | (01h 01m 06.14s , +10d 47m 29.1s) |   C |    60 | 16.7 |        
   67294 | 2021-08-13 19:35:27 |   MASTER-Kislovodsk | (01h 00m 20.71s , +06d 58m 31.1s) |   C |    60 | 17.1 |        
   67464 | 2021-08-13 19:38:17 |   MASTER-Kislovodsk | (00h 44m 52.96s , +05d 06m 34.3s) |   C |    60 | 17.6 |        
   67464 | 2021-08-13 19:38:17 |   MASTER-Kislovodsk | (00h 48m 43.53s , +04d 41m 49.5s) |   C |    60 | 18.0 |        
   67705 | 2021-08-13 19:42:17 |   MASTER-Kislovodsk | (01h 00m 37.96s , +08d 53m 41.2s) |   C |    60 | 17.4 |        
   67705 | 2021-08-13 19:42:18 |   MASTER-Kislovodsk | (01h 04m 29.45s , +08d 29m 17.6s) |   C |    60 | 17.8 |        
   68196 | 2021-08-13 19:50:28 |   MASTER-Kislovodsk | (01h 00m 22.22s , +06d 59m 13.5s) |   C |    60 | 17.3 |        
   69558 | 2021-08-13 20:13:10 |      MASTER-Tavrida | (01h 02m 49.25s , +08d 57m 43.3s) |   C |    60 | 13.8 |        
   70438 | 2021-08-13 20:27:51 |      MASTER-Tavrida | (01h 02m 31.21s , +07d 04m 06.0s) |   C |    60 | 15.4 |        
   70834 | 2021-08-13 20:34:26 |      MASTER-Tavrida | (01h 02m 51.91s , +08d 56m 46.9s) |   C |    60 | 15.1 |        
   71451 | 2021-08-13 20:44:43 |      MASTER-Tavrida | (01h 02m 35.37s , +07d 03m 37.8s) |   C |    60 | 15.6 |        
   71767 | 2021-08-13 20:49:59 |      MASTER-Tavrida | (00h 54m 44.61s , +08d 57m 21.9s) |   C |    60 | 12.3 |        
   71846 | 2021-08-13 20:51:18 |      MASTER-Tavrida | (01h 02m 53.66s , +08d 58m 33.9s) |   C |    60 | 14.9 |        
   72153 | 2021-08-13 20:56:25 |      MASTER-Tavrida | (00h 54m 30.73s , +07d 03m 58.0s) |   C |    60 | 13.1 |        
   72232 | 2021-08-13 20:57:44 |      MASTER-Tavrida | (00h 39m 48.23s , +12d 45m 06.5s) |   C |    60 | 12.7 |        
   72311 | 2021-08-13 20:59:03 |      MASTER-Tavrida | (00h 48m 06.76s , +12d 45m 06.8s) |   C |    60 | 13.8 |        
   72390 | 2021-08-13 21:00:22 |      MASTER-Tavrida | (01h 02m 32.45s , +07d 04m 34.8s) |   C |    60 | 14.6 |        
   72627 | 2021-08-13 21:04:20 |      MASTER-Tavrida | (00h 55m 05.92s , +10d 52m 05.9s) |   C |    60 | 15.5 |        
   72775 | 2021-08-13 21:06:47 |      MASTER-Tavrida | (00h 54m 17.09s , +05d 11m 04.0s) |   C |    60 | 13.5 |        
   73252 | 2021-08-13 21:14:44 |      MASTER-Tavrida | (00h 39m 53.64s , +12d 45m 37.9s) |   C |    60 | 15.8 |        
   73570 | 2021-08-13 21:20:03 |      MASTER-Tavrida | (00h 32m 11.06s , +10d 53m 24.6s) |   C |    60 | 14.5 |        
   73650 | 2021-08-13 21:21:22 |      MASTER-Tavrida | (00h 55m 05.43s , +10d 52m 21.1s) |   C |    60 | 16.6 |        
   73729 | 2021-08-13 21:22:42 |      MASTER-Tavrida | (01h 03m 08.38s , +10d 51m 19.7s) |   C |    60 | 17.1 |        
   73928 | 2021-08-13 21:26:01 |      MASTER-Tavrida | (00h 54m 17.60s , +05d 11m 02.1s) |   C |    60 | 14.3 |        
   74271 | 2021-08-13 21:31:44 |      MASTER-Tavrida | (00h 31m 50.65s , +07d 03m 25.9s) |   C |    60 | 14.4 |        
   74591 | 2021-08-13 21:37:03 |      MASTER-Tavrida | (00h 32m 16.75s , +10d 52m 56.5s) |   C |    60 | 17.3 |        
   74670 | 2021-08-13 21:38:22 |      MASTER-Tavrida | (00h 54m 59.21s , +10d 52m 27.0s) |   C |    60 | 14.9 |        
   74749 | 2021-08-13 21:39:42 |      MASTER-Tavrida | (01h 03m 06.61s , +10d 53m 26.2s) |   C |    60 | 15.7 |        
   74828 | 2021-08-13 21:41:01 |      MASTER-Tavrida | (00h 54m 19.10s , +05d 10m 29.5s) |   C |    60 | 18.0 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 4809
TYPE = 35
DAYS = 0


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 210813A ( Fermi GBM team, GCN 30640) errorbox  574 sec after notice time and 629 sec after trigger time at 2021-08-13 01:04:52 UT, with upper limit up to  16.5 mag. Observations started at twilight.  The observations began at zenith distance = 36 deg. The sun  altitude  is -16.1 deg. 

MASTER-IAC robotic telescope  located in Spain (IAC Teide Observatory) started inspect of the FERMI GRB 210813A errorbox  616 sec after notice time and 671 sec after trigger time at 2021-08-13 01:05:35 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 54 deg. The sun  altitude  is -47.3 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the FERMI GRB 210813A errorbox  626 sec after notice time and 681 sec after trigger time at 2021-08-13 01:05:44 UT, with upper limit up to  17.0 mag. Observations started at twilight.  The observations began at zenith distance = 35 deg. The sun  altitude  is -11.9 deg. 

The galactic latitude b = -54 deg., longitude l = 128 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1688882

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     694 | 2021-08-13 01:04:52 |      MASTER-Tavrida | (00h 56m 40.50s , +08d 15m 20.7s) |  P\ |   130 | 16.1 |        
     737 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 59m 18.91s , +07d 58m 47.0s) |  P| |   130 | 18.6 |        
     907 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 59m 18.91s , +07d 58m 47.0s) |  P| |   470 | 19.7 |  Coadd 
     737 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 58m 31.40s , +08d 03m 43.9s) |  P- |   130 | 18.4 |        
     907 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 58m 31.40s , +08d 03m 44.0s) |  P- |   470 | 19.3 |  Coadd 
     746 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 05.80s , +08d 08m 53.0s) |  P- |   130 | 15.9 |        
     916 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 05.81s , +08d 08m 53.0s) |  P- |   470 | 16.7 |  Coadd 
     746 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 01.56s , +08d 32m 50.9s) |  P| |   130 | 16.5 |        
     916 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 01.56s , +08d 32m 50.9s) |  P| |   470 | 17.0 |  Coadd 
     854 | 2021-08-13 01:07:22 |      MASTER-Tavrida | (00h 56m 48.35s , +08d 14m 14.6s) |  P\ |   150 | 16.1 |        
     902 | 2021-08-13 01:08:05 |          MASTER-IAC | (00h 59m 12.29s , +07d 57m 47.5s) |  P| |   160 | 18.9 |        
     902 | 2021-08-13 01:08:05 |          MASTER-IAC | (00h 58m 24.62s , +08d 02m 44.7s) |  P- |   160 | 18.7 |        
     911 | 2021-08-13 01:08:15 |   MASTER-Kislovodsk | (01h 00m 00.08s , +08d 07m 52.1s) |  P- |   160 | 16.3 |        
     912 | 2021-08-13 01:08:15 |   MASTER-Kislovodsk | (00h 59m 55.61s , +08d 31m 49.0s) |  P| |   160 | 16.5 |        
    1038 | 2021-08-13 01:10:11 |      MASTER-Tavrida | (00h 56m 40.82s , +08d 13m 07.9s) |  P\ |   180 | 16.3 |        
    1092 | 2021-08-13 01:11:05 |          MASTER-IAC | (00h 59m 18.07s , +07d 58m 13.7s) |  P| |   180 | 18.9 |        
    1092 | 2021-08-13 01:11:05 |          MASTER-IAC | (00h 58m 30.24s , +08d 03m 10.7s) |  P- |   180 | 18.6 |        
    1102 | 2021-08-13 01:11:15 |   MASTER-Kislovodsk | (01h 00m 01.28s , +08d 08m 52.3s) |  P- |   180 | 15.6 |        
    1102 | 2021-08-13 01:11:15 |   MASTER-Kislovodsk | (00h 59m 56.65s , +08d 32m 48.7s) |  P| |   180 | 15.9 |        
    1237 | 2021-08-13 01:13:30 |      MASTER-Tavrida | (00h 56m 47.22s , +08d 13m 07.5s) |  P\ |   180 | 16.3 |        
    1292 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 59m 16.05s , +07d 59m 28.3s) |  P| |   180 | 18.9 |        
    1472 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 59m 16.05s , +07d 59m 28.3s) |  P| |   540 | 19.8 |  Coadd 
    1292 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 58m 28.03s , +08d 04m 25.3s) |  P- |   180 | 18.7 |        
    1472 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 58m 28.03s , +08d 04m 25.3s) |  P- |   540 | 19.5 |  Coadd 
    1436 | 2021-08-13 01:16:49 |      MASTER-Tavrida | (00h 56m 43.91s , +08d 14m 33.0s) |  P\ |   180 | 16.5 |        
    1492 | 2021-08-13 01:17:45 |          MASTER-IAC | (00h 59m 16.03s , +07d 58m 00.8s) |  P| |   180 | 18.9 |        
    1492 | 2021-08-13 01:17:45 |          MASTER-IAC | (00h 58m 27.99s , +08d 02m 57.4s) |  P- |   180 | 18.7 |        
    1692 | 2021-08-13 01:21:05 |          MASTER-IAC | (00h 59m 19.72s , +07d 59m 27.8s) |  P| |   180 | 18.9 |        
    1692 | 2021-08-13 01:21:05 |          MASTER-IAC | (00h 58m 31.68s , +08d 04m 24.4s) |  P- |   180 | 18.7 |        
    1832 | 2021-08-13 01:24:25 |          MASTER-IAC | (01h 02m 54.77s , +07d 58m 50.4s) |   C |    60 | 18.6 |        
    1832 | 2021-08-13 01:24:25 |          MASTER-IAC | (00h 54m 47.04s , +08d 04m 10.4s) |   C |    60 | 18.5 |        
    2073 | 2021-08-13 01:28:26 |          MASTER-IAC | (01h 04m 28.98s , +08d 39m 17.4s) |   C |    60 | 18.6 |        
    2073 | 2021-08-13 01:28:26 |          MASTER-IAC | (00h 56m 20.95s , +08d 44m 37.3s) |   C |    60 | 18.5 |        
    2159 | 2021-08-13 01:29:53 |          MASTER-IAC | (01h 04m 18.57s , +06d 45m 19.4s) |   C |    60 | 18.8 |        
    2159 | 2021-08-13 01:29:53 |          MASTER-IAC | (00h 56m 12.85s , +06d 50m 38.5s) |   C |    60 | 18.6 |        
    2239 | 2021-08-13 01:31:12 |          MASTER-IAC | (01h 04m 54.89s , +10d 34m 56.1s) |   C |    60 | 18.9 |        
    2239 | 2021-08-13 01:31:12 |          MASTER-IAC | (00h 56m 44.12s , +10d 40m 16.4s) |   C |    60 | 18.6 |        
    2319 | 2021-08-13 01:32:32 |          MASTER-IAC | (00h 55m 57.65s , +04d 56m 56.9s) |   C |    60 | 18.6 |        
    2399 | 2021-08-13 01:33:52 |          MASTER-IAC | (01h 11m 51.00s , +08d 46m 45.3s) |   C |    60 | 18.5 |        
    2479 | 2021-08-13 01:35:12 |          MASTER-IAC | (01h 11m 25.54s , +06d 51m 45.4s) |   C |    60 | 18.6 |        
    3165 | 2021-08-13 01:46:38 |          MASTER-IAC | (01h 04m 35.83s , +08d 41m 07.8s) |   C |    60 | 18.9 |        
    3165 | 2021-08-13 01:46:38 |          MASTER-IAC | (00h 56m 28.07s , +08d 46m 27.5s) |   C |    60 | 18.6 |        
    3245 | 2021-08-13 01:47:58 |          MASTER-IAC | (01h 04m 12.26s , +06d 46m 13.0s) |   C |    60 | 18.8 |        
    3245 | 2021-08-13 01:47:58 |          MASTER-IAC | (00h 56m 06.81s , +06d 51m 31.9s) |   C |    60 | 18.6 |        
    3326 | 2021-08-13 01:49:19 |          MASTER-IAC | (01h 04m 51.02s , +10d 35m 16.0s) |   C |    60 | 18.8 |        
    3326 | 2021-08-13 01:49:19 |          MASTER-IAC | (00h 56m 40.51s , +10d 40m 36.5s) |   C |    60 | 18.7 |        
    3406 | 2021-08-13 01:50:39 |          MASTER-IAC | (00h 56m 00.81s , +04d 57m 29.8s) |   C |    60 | 18.6 |        
    3486 | 2021-08-13 01:51:59 |          MASTER-IAC | (01h 11m 44.33s , +08d 44m 44.5s) |   C |    60 | 18.5 |        
    3566 | 2021-08-13 01:53:19 |          MASTER-IAC | (01h 11m 30.53s , +06d 51m 06.1s) |   C |    60 | 18.7 |        
    4211 | 2021-08-13 02:04:04 |          MASTER-IAC | (01h 04m 28.84s , +08d 41m 11.7s) |   C |    60 | 18.9 |        
    4211 | 2021-08-13 02:04:04 |          MASTER-IAC | (00h 56m 20.65s , +08d 46m 31.4s) |   C |    60 | 18.7 |        
    4291 | 2021-08-13 02:05:24 |          MASTER-IAC | (01h 04m 17.37s , +06d 46m 10.2s) |   C |    60 | 18.7 |        
    4291 | 2021-08-13 02:05:24 |          MASTER-IAC | (00h 56m 11.51s , +06d 51m 29.7s) |   C |    60 | 18.6 |        
    4371 | 2021-08-13 02:06:44 |          MASTER-IAC | (01h 04m 51.49s , +10d 33m 12.8s) |   C |    60 | 18.9 |        
    4371 | 2021-08-13 02:06:44 |          MASTER-IAC | (00h 56m 40.56s , +10d 38m 33.5s) |   C |    60 | 18.8 |        
    4455 | 2021-08-13 02:08:09 |          MASTER-IAC | (00h 55m 58.70s , +04d 56m 38.8s) |   C |    60 | 18.6 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 4808
TYPE = 35
DAYS = 0


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 210813A ( Fermi GBM team, GCN 30640) errorbox  574 sec after notice time and 629 sec after trigger time at 2021-08-13 01:04:52 UT, with upper limit up to  16.5 mag. Observations started at twilight.  The observations began at zenith distance = 36 deg. The sun  altitude  is -16.1 deg. 

MASTER-IAC robotic telescope  located in Spain (IAC Teide Observatory) started inspect of the FERMI GRB 210813A errorbox  616 sec after notice time and 671 sec after trigger time at 2021-08-13 01:05:35 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 54 deg. The sun  altitude  is -47.3 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the FERMI GRB 210813A errorbox  626 sec after notice time and 681 sec after trigger time at 2021-08-13 01:05:44 UT, with upper limit up to  17.0 mag. Observations started at twilight.  The observations began at zenith distance = 35 deg. The sun  altitude  is -11.9 deg. 

The galactic latitude b = -54 deg., longitude l = 128 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1688882

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     694 | 2021-08-13 01:04:52 |      MASTER-Tavrida | (00h 56m 40.50s , +08d 15m 20.7s) |  P\ |   130 | 16.1 |        
     737 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 59m 18.91s , +07d 58m 47.0s) |  P| |   130 | 18.6 |        
     907 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 59m 18.91s , +07d 58m 47.0s) |  P| |   470 | 19.7 |  Coadd 
     737 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 58m 31.40s , +08d 03m 43.9s) |  P- |   130 | 18.4 |        
     907 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 58m 31.40s , +08d 03m 44.0s) |  P- |   470 | 19.3 |  Coadd 
     746 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 05.80s , +08d 08m 53.0s) |  P- |   130 | 15.9 |        
     916 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 05.81s , +08d 08m 53.0s) |  P- |   470 | 16.7 |  Coadd 
     746 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 01.56s , +08d 32m 50.9s) |  P| |   130 | 16.5 |        
     916 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 01.56s , +08d 32m 50.9s) |  P| |   470 | 17.0 |  Coadd 
     854 | 2021-08-13 01:07:22 |      MASTER-Tavrida | (00h 56m 48.35s , +08d 14m 14.6s) |  P\ |   150 | 16.1 |        
     902 | 2021-08-13 01:08:05 |          MASTER-IAC | (00h 59m 12.29s , +07d 57m 47.5s) |  P| |   160 | 18.9 |        
     902 | 2021-08-13 01:08:05 |          MASTER-IAC | (00h 58m 24.62s , +08d 02m 44.7s) |  P- |   160 | 18.7 |        
     911 | 2021-08-13 01:08:15 |   MASTER-Kislovodsk | (01h 00m 00.08s , +08d 07m 52.1s) |  P- |   160 | 16.3 |        
     912 | 2021-08-13 01:08:15 |   MASTER-Kislovodsk | (00h 59m 55.61s , +08d 31m 49.0s) |  P| |   160 | 16.5 |        
    1038 | 2021-08-13 01:10:11 |      MASTER-Tavrida | (00h 56m 40.82s , +08d 13m 07.9s) |  P\ |   180 | 16.3 |        
    1092 | 2021-08-13 01:11:05 |          MASTER-IAC | (00h 59m 18.07s , +07d 58m 13.7s) |  P| |   180 | 18.9 |        
    1092 | 2021-08-13 01:11:05 |          MASTER-IAC | (00h 58m 30.24s , +08d 03m 10.7s) |  P- |   180 | 18.6 |        
    1102 | 2021-08-13 01:11:15 |   MASTER-Kislovodsk | (01h 00m 01.28s , +08d 08m 52.3s) |  P- |   180 | 15.6 |        
    1102 | 2021-08-13 01:11:15 |   MASTER-Kislovodsk | (00h 59m 56.65s , +08d 32m 48.7s) |  P| |   180 | 15.9 |        
    1237 | 2021-08-13 01:13:30 |      MASTER-Tavrida | (00h 56m 47.22s , +08d 13m 07.5s) |  P\ |   180 | 16.3 |        
    1292 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 59m 16.05s , +07d 59m 28.3s) |  P| |   180 | 18.9 |        
    1472 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 59m 16.05s , +07d 59m 28.3s) |  P| |   540 | 19.8 |  Coadd 
    1292 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 58m 28.03s , +08d 04m 25.3s) |  P- |   180 | 18.7 |        
    1472 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 58m 28.03s , +08d 04m 25.3s) |  P- |   540 | 19.5 |  Coadd 
    1436 | 2021-08-13 01:16:49 |      MASTER-Tavrida | (00h 56m 43.91s , +08d 14m 33.0s) |  P\ |   180 | 16.5 |        
    1492 | 2021-08-13 01:17:45 |          MASTER-IAC | (00h 59m 16.03s , +07d 58m 00.8s) |  P| |   180 | 18.9 |        
    1492 | 2021-08-13 01:17:45 |          MASTER-IAC | (00h 58m 27.99s , +08d 02m 57.4s) |  P- |   180 | 18.7 |        
    1692 | 2021-08-13 01:21:05 |          MASTER-IAC | (00h 59m 19.72s , +07d 59m 27.8s) |  P| |   180 | 18.9 |        
    1692 | 2021-08-13 01:21:05 |          MASTER-IAC | (00h 58m 31.68s , +08d 04m 24.4s) |  P- |   180 | 18.7 |        
    1832 | 2021-08-13 01:24:25 |          MASTER-IAC | (01h 02m 54.77s , +07d 58m 50.4s) |   C |    60 | 18.6 |        
    1832 | 2021-08-13 01:24:25 |          MASTER-IAC | (00h 54m 47.04s , +08d 04m 10.4s) |   C |    60 | 18.5 |        
    2073 | 2021-08-13 01:28:26 |          MASTER-IAC | (01h 04m 28.98s , +08d 39m 17.4s) |   C |    60 | 18.6 |        
    2073 | 2021-08-13 01:28:26 |          MASTER-IAC | (00h 56m 20.95s , +08d 44m 37.3s) |   C |    60 | 18.5 |        
    2159 | 2021-08-13 01:29:53 |          MASTER-IAC | (01h 04m 18.57s , +06d 45m 19.4s) |   C |    60 | 18.8 |        
    2159 | 2021-08-13 01:29:53 |          MASTER-IAC | (00h 56m 12.85s , +06d 50m 38.5s) |   C |    60 | 18.6 |        
    2239 | 2021-08-13 01:31:12 |          MASTER-IAC | (01h 04m 54.89s , +10d 34m 56.1s) |   C |    60 | 18.9 |        
    2239 | 2021-08-13 01:31:12 |          MASTER-IAC | (00h 56m 44.12s , +10d 40m 16.4s) |   C |    60 | 18.6 |        
    2319 | 2021-08-13 01:32:32 |          MASTER-IAC | (00h 55m 57.65s , +04d 56m 56.9s) |   C |    60 | 18.6 |        
    2399 | 2021-08-13 01:33:52 |          MASTER-IAC | (01h 11m 51.00s , +08d 46m 45.3s) |   C |    60 | 18.5 |        
    2479 | 2021-08-13 01:35:12 |          MASTER-IAC | (01h 11m 25.54s , +06d 51m 45.4s) |   C |    60 | 18.6 |        
    3165 | 2021-08-13 01:46:38 |          MASTER-IAC | (01h 04m 35.83s , +08d 41m 07.8s) |   C |    60 | 18.9 |        
    3165 | 2021-08-13 01:46:38 |          MASTER-IAC | (00h 56m 28.07s , +08d 46m 27.5s) |   C |    60 | 18.6 |        
    3245 | 2021-08-13 01:47:58 |          MASTER-IAC | (01h 04m 12.26s , +06d 46m 13.0s) |   C |    60 | 18.8 |        
    3245 | 2021-08-13 01:47:58 |          MASTER-IAC | (00h 56m 06.81s , +06d 51m 31.9s) |   C |    60 | 18.6 |        
    3326 | 2021-08-13 01:49:19 |          MASTER-IAC | (01h 04m 51.02s , +10d 35m 16.0s) |   C |    60 | 18.8 |        
    3326 | 2021-08-13 01:49:19 |          MASTER-IAC | (00h 56m 40.51s , +10d 40m 36.5s) |   C |    60 | 18.7 |        
    3406 | 2021-08-13 01:50:39 |          MASTER-IAC | (00h 56m 00.81s , +04d 57m 29.8s) |   C |    60 | 18.6 |        
    3486 | 2021-08-13 01:51:59 |          MASTER-IAC | (01h 11m 44.33s , +08d 44m 44.5s) |   C |    60 | 18.5 |        
    3566 | 2021-08-13 01:53:19 |          MASTER-IAC | (01h 11m 30.53s , +06d 51m 06.1s) |   C |    60 | 18.7 |        
    4211 | 2021-08-13 02:04:04 |          MASTER-IAC | (01h 04m 28.84s , +08d 41m 11.7s) |   C |    60 | 18.9 |        
    4211 | 2021-08-13 02:04:04 |          MASTER-IAC | (00h 56m 20.65s , +08d 46m 31.4s) |   C |    60 | 18.7 |        
    4291 | 2021-08-13 02:05:24 |          MASTER-IAC | (01h 04m 17.37s , +06d 46m 10.2s) |   C |    60 | 18.7 |        
    4291 | 2021-08-13 02:05:24 |          MASTER-IAC | (00h 56m 11.51s , +06d 51m 29.7s) |   C |    60 | 18.6 |        
    4371 | 2021-08-13 02:06:44 |          MASTER-IAC | (01h 04m 51.49s , +10d 33m 12.8s) |   C |    60 | 18.9 |        
    4371 | 2021-08-13 02:06:44 |          MASTER-IAC | (00h 56m 40.56s , +10d 38m 33.5s) |   C |    60 | 18.8 |        
    4455 | 2021-08-13 02:08:09 |          MASTER-IAC | (00h 55m 58.70s , +04d 56m 38.8s) |   C |    60 | 18.6 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 4807
TYPE = 34
DAYS = 0


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 210813A ( Fermi GBM team, GCN 30640) errorbox  574 sec after notice time and 629 sec after trigger time at 2021-08-13 01:04:52 UT, with upper limit up to  16.5 mag. Observations started at twilight.  The observations began at zenith distance = 36 deg. The sun  altitude  is -16.1 deg. 

MASTER-IAC robotic telescope  located in Spain (IAC Teide Observatory) started inspect of the FERMI GRB 210813A errorbox  616 sec after notice time and 671 sec after trigger time at 2021-08-13 01:05:35 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 54 deg. The sun  altitude  is -47.3 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the FERMI GRB 210813A errorbox  626 sec after notice time and 681 sec after trigger time at 2021-08-13 01:05:44 UT, with upper limit up to  17.0 mag. Observations started at twilight.  The observations began at zenith distance = 35 deg. The sun  altitude  is -11.9 deg. 

The galactic latitude b = -54 deg., longitude l = 128 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1688882

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     694 | 2021-08-13 01:04:52 |      MASTER-Tavrida | (00h 56m 40.50s , +08d 15m 20.7s) |  P\ |   130 | 16.1 |        
     737 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 59m 18.91s , +07d 58m 47.0s) |  P| |   130 | 18.6 |        
     907 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 59m 18.91s , +07d 58m 47.0s) |  P| |   470 | 19.7 |  Coadd 
     737 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 58m 31.40s , +08d 03m 43.9s) |  P- |   130 | 18.4 |        
     907 | 2021-08-13 01:05:35 |          MASTER-IAC | (00h 58m 31.40s , +08d 03m 44.0s) |  P- |   470 | 19.3 |  Coadd 
     746 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 05.80s , +08d 08m 53.0s) |  P- |   130 | 15.9 |        
     916 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 05.81s , +08d 08m 53.0s) |  P- |   470 | 16.7 |  Coadd 
     746 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 01.56s , +08d 32m 50.9s) |  P| |   130 | 16.5 |        
     916 | 2021-08-13 01:05:44 |   MASTER-Kislovodsk | (01h 00m 01.56s , +08d 32m 50.9s) |  P| |   470 | 17.0 |  Coadd 
     854 | 2021-08-13 01:07:22 |      MASTER-Tavrida | (00h 56m 48.35s , +08d 14m 14.6s) |  P\ |   150 | 16.1 |        
     902 | 2021-08-13 01:08:05 |          MASTER-IAC | (00h 59m 12.29s , +07d 57m 47.5s) |  P| |   160 | 18.9 |        
     902 | 2021-08-13 01:08:05 |          MASTER-IAC | (00h 58m 24.62s , +08d 02m 44.7s) |  P- |   160 | 18.7 |        
     911 | 2021-08-13 01:08:15 |   MASTER-Kislovodsk | (01h 00m 00.08s , +08d 07m 52.1s) |  P- |   160 | 16.3 |        
     912 | 2021-08-13 01:08:15 |   MASTER-Kislovodsk | (00h 59m 55.61s , +08d 31m 49.0s) |  P| |   160 | 16.5 |        
    1038 | 2021-08-13 01:10:11 |      MASTER-Tavrida | (00h 56m 40.82s , +08d 13m 07.9s) |  P\ |   180 | 16.3 |        
    1092 | 2021-08-13 01:11:05 |          MASTER-IAC | (00h 59m 18.07s , +07d 58m 13.7s) |  P| |   180 | 18.9 |        
    1092 | 2021-08-13 01:11:05 |          MASTER-IAC | (00h 58m 30.24s , +08d 03m 10.7s) |  P- |   180 | 18.6 |        
    1102 | 2021-08-13 01:11:15 |   MASTER-Kislovodsk | (01h 00m 01.28s , +08d 08m 52.3s) |  P- |   180 | 15.6 |        
    1102 | 2021-08-13 01:11:15 |   MASTER-Kislovodsk | (00h 59m 56.65s , +08d 32m 48.7s) |  P| |   180 | 15.9 |        
    1237 | 2021-08-13 01:13:30 |      MASTER-Tavrida | (00h 56m 47.22s , +08d 13m 07.5s) |  P\ |   180 | 16.3 |        
    1292 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 59m 16.05s , +07d 59m 28.3s) |  P| |   180 | 18.9 |        
    1472 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 59m 16.05s , +07d 59m 28.3s) |  P| |   540 | 19.8 |  Coadd 
    1292 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 58m 28.03s , +08d 04m 25.3s) |  P- |   180 | 18.7 |        
    1472 | 2021-08-13 01:14:25 |          MASTER-IAC | (00h 58m 28.03s , +08d 04m 25.3s) |  P- |   540 | 19.5 |  Coadd 
    1436 | 2021-08-13 01:16:49 |      MASTER-Tavrida | (00h 56m 43.91s , +08d 14m 33.0s) |  P\ |   180 | 16.5 |        
    1492 | 2021-08-13 01:17:45 |          MASTER-IAC | (00h 59m 16.03s , +07d 58m 00.8s) |  P| |   180 | 18.9 |        
    1492 | 2021-08-13 01:17:45 |          MASTER-IAC | (00h 58m 27.99s , +08d 02m 57.4s) |  P- |   180 | 18.7 |        
    1692 | 2021-08-13 01:21:05 |          MASTER-IAC | (00h 59m 19.72s , +07d 59m 27.8s) |  P| |   180 | 18.9 |        
    1692 | 2021-08-13 01:21:05 |          MASTER-IAC | (00h 58m 31.68s , +08d 04m 24.4s) |  P- |   180 | 18.7 |        
    1832 | 2021-08-13 01:24:25 |          MASTER-IAC | (01h 02m 54.77s , +07d 58m 50.4s) |   C |    60 | 18.6 |        
    1832 | 2021-08-13 01:24:25 |          MASTER-IAC | (00h 54m 47.04s , +08d 04m 10.4s) |   C |    60 | 18.5 |        
    2073 | 2021-08-13 01:28:26 |          MASTER-IAC | (01h 04m 28.98s , +08d 39m 17.4s) |   C |    60 | 18.6 |        
    2073 | 2021-08-13 01:28:26 |          MASTER-IAC | (00h 56m 20.95s , +08d 44m 37.3s) |   C |    60 | 18.5 |        
    2159 | 2021-08-13 01:29:53 |          MASTER-IAC | (01h 04m 18.57s , +06d 45m 19.4s) |   C |    60 | 18.8 |        
    2159 | 2021-08-13 01:29:53 |          MASTER-IAC | (00h 56m 12.85s , +06d 50m 38.5s) |   C |    60 | 18.6 |        
    2239 | 2021-08-13 01:31:12 |          MASTER-IAC | (01h 04m 54.89s , +10d 34m 56.1s) |   C |    60 | 18.9 |        
    2239 | 2021-08-13 01:31:12 |          MASTER-IAC | (00h 56m 44.12s , +10d 40m 16.4s) |   C |    60 | 18.6 |        
    2319 | 2021-08-13 01:32:32 |          MASTER-IAC | (00h 55m 57.65s , +04d 56m 56.9s) |   C |    60 | 18.6 |        
    2399 | 2021-08-13 01:33:52 |          MASTER-IAC | (01h 11m 51.00s , +08d 46m 45.3s) |   C |    60 | 18.5 |        
    2479 | 2021-08-13 01:35:12 |          MASTER-IAC | (01h 11m 25.54s , +06d 51m 45.4s) |   C |    60 | 18.6 |        
    3165 | 2021-08-13 01:46:38 |          MASTER-IAC | (01h 04m 35.83s , +08d 41m 07.8s) |   C |    60 | 18.9 |        
    3165 | 2021-08-13 01:46:38 |          MASTER-IAC | (00h 56m 28.07s , +08d 46m 27.5s) |   C |    60 | 18.6 |        
    3245 | 2021-08-13 01:47:58 |          MASTER-IAC | (01h 04m 12.26s , +06d 46m 13.0s) |   C |    60 | 18.8 |        
    3245 | 2021-08-13 01:47:58 |          MASTER-IAC | (00h 56m 06.81s , +06d 51m 31.9s) |   C |    60 | 18.6 |        
    3326 | 2021-08-13 01:49:19 |          MASTER-IAC | (01h 04m 51.02s , +10d 35m 16.0s) |   C |    60 | 18.8 |        
    3326 | 2021-08-13 01:49:19 |          MASTER-IAC | (00h 56m 40.51s , +10d 40m 36.5s) |   C |    60 | 18.7 |        
    3406 | 2021-08-13 01:50:39 |          MASTER-IAC | (00h 56m 00.81s , +04d 57m 29.8s) |   C |    60 | 18.6 |        
    3486 | 2021-08-13 01:51:59 |          MASTER-IAC | (01h 11m 44.33s , +08d 44m 44.5s) |   C |    60 | 18.5 |        
    3566 | 2021-08-13 01:53:19 |          MASTER-IAC | (01h 11m 30.53s , +06d 51m 06.1s) |   C |    60 | 18.7 |        
    4211 | 2021-08-13 02:04:04 |          MASTER-IAC | (01h 04m 28.84s , +08d 41m 11.7s) |   C |    60 | 18.9 |        
    4211 | 2021-08-13 02:04:04 |          MASTER-IAC | (00h 56m 20.65s , +08d 46m 31.4s) |   C |    60 | 18.7 |        
    4291 | 2021-08-13 02:05:24 |          MASTER-IAC | (01h 04m 17.37s , +06d 46m 10.2s) |   C |    60 | 18.7 |        
    4291 | 2021-08-13 02:05:24 |          MASTER-IAC | (00h 56m 11.51s , +06d 51m 29.7s) |   C |    60 | 18.6 |        
    4371 | 2021-08-13 02:06:44 |          MASTER-IAC | (01h 04m 51.49s , +10d 33m 12.8s) |   C |    60 | 18.9 |        
    4371 | 2021-08-13 02:06:44 |          MASTER-IAC | (00h 56m 40.56s , +10d 38m 33.5s) |   C |    60 | 18.8 |        
    4455 | 2021-08-13 02:08:09 |          MASTER-IAC | (00h 55m 58.70s , +04d 56m 38.8s) |   C |    60 | 18.6 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.

MASTER, 2002-2025