MASTER Net MASTER Database: GRB210911.70 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 GRB210911.70
Trignum 653071808
Trigger time 2021-09-11 16:50:03.83
Notice time 2021-09-11 16:52:31.38161
Coord, eb (19h 38m 19.20s , +34d 42m 36.0s) , 5.75
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)

You are viewing outdated information, relevant error box is here

All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
2259497 2023-08-24 13:19:46.633968 18h 51m 12.00s +35d 19m 58.8s FERMI 9.48 retraction 653071808 1 4044 retraction
1717699 2021-09-11 16:53:32.69828 19h 38m 19.20s +34d 42m 36.0s FERMI 5.75 alert 653071808 20 112 alert
1717698 2021-09-11 16:53:11.410737 18h 51m 12.00s +35d 19m 58.8s FERMI 9.48 alert 653071808 27 111 alert

DAYS:

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

Synchronous WFC images
Distance datetime coord2000 observatory camera links
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2021-09-11 16:50:03 (JD 2459469.201424)

Siderial time 18.737322 h

Ra 19:38:19.20 Dec 34:42:36.00
(294.580000d, 34.710000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 34.20 Azimuth: 105.01

Sun: Altitude: -32.32 Azimuth: 205.20

Moon: Altitude: -44.98 Azimuth: 124.77

Tunka

Object: Altitude: 49.55 Azimuth: 85.90

Sun: Altitude: -33.72 Azimuth: 176.09

Moon: Altitude: -30.37 Azimuth: 101.99

Kislovodsk

Object: Altitude: 78.78 Azimuth: 320.74

Sun: Altitude: -15.36 Azimuth: 111.91

Moon: Altitude: 9.89 Azimuth: 55.29

Tavrida

Object: Altitude: 73.51 Azimuth: 301.51

Sun: Altitude: -9.28 Azimuth: 105.74

Moon: Altitude: 14.07 Azimuth: 48.39

SAAO

Object: Altitude: 17.11 Azimuth: 205.74

Sun: Altitude: -6.14 Azimuth: 91.33

Moon: Altitude: 53.91 Azimuth: 107.10

IAC

Object: Altitude: 33.04 Azimuth: 245.08

Sun: Altitude: 30.83 Azimuth: 77.31

Moon: Altitude: 45.03 Azimuth: 358.20

Argentina

Object: Altitude: -40.87 Azimuth: 249.54

Sun: Altitude: 53.56 Azimuth: 172.69

Moon: Altitude: 38.90 Azimuth: 266.15

Mexico

Object: Altitude: -21.98 Azimuth: 196.32

Sun: Altitude: 46.41 Azimuth: 300.17

Moon: Altitude: -12.84 Azimuth: 281.87

Ural

Object: Altitude: 66.96 Azimuth: 17.88

Sun: Altitude: -17.88 Azimuth: 130.22

Moon: Altitude: -5.91 Azimuth: 68.31

Vostryakovo

Object: Altitude: 67.37 Azimuth: 330.49

Sun: Altitude: -8.29 Azimuth: 110.35

Moon: Altitude: 5.27 Azimuth: 50.20

Gal. latitude: 6.096327 Gal. longitude: 69.132964

Dist. to Sun: 115.097830

Dist. to Moon: 81.188695

Moon coord.: (228.259251 d, -16.647301 d)

Sun coord.: (169.769334 d, 4.404168 d)

Lunar disk: 0.262418

Lunar phase: 118.370083

Lunar bright limb: 284.691388

No SN in this field

2021-09-11 16:52:31 (JD 2459469.203137)

Siderial time 18.778545 h

Ra 19:38:19.20 Dec 34:42:36.00
(294.580000d, 34.710000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 33.82 Azimuth: 105.42

Sun: Altitude: -32.15 Azimuth: 205.90

Moon: Altitude: -45.30 Azimuth: 125.44

Tunka

Object: Altitude: 49.17 Azimuth: 86.42

Sun: Altitude: -33.74 Azimuth: 176.83

Moon: Altitude: -30.73 Azimuth: 102.50

Kislovodsk

Object: Altitude: 79.06 Azimuth: 322.96

Sun: Altitude: -15.77 Azimuth: 112.38

Moon: Altitude: 9.53 Azimuth: 55.74

Tavrida

Object: Altitude: 73.88 Azimuth: 302.74

Sun: Altitude: -9.70 Azimuth: 106.20

Moon: Altitude: 13.75 Azimuth: 48.87

SAAO

Object: Altitude: 17.34 Azimuth: 205.26

Sun: Altitude: -6.66 Azimuth: 91.00

Moon: Altitude: 53.43 Azimuth: 106.57

IAC

Object: Altitude: 33.53 Azimuth: 245.23

Sun: Altitude: 30.30 Azimuth: 77.67

Moon: Altitude: 45.04 Azimuth: 359.01

Argentina

Object: Altitude: -40.37 Azimuth: 249.38

Sun: Altitude: 53.49 Azimuth: 171.67

Moon: Altitude: 39.40 Azimuth: 265.82

Mexico

Object: Altitude: -21.82 Azimuth: 196.84

Sun: Altitude: 46.87 Azimuth: 300.77

Moon: Altitude: -12.34 Azimuth: 282.16

Ural

Object: Altitude: 66.85 Azimuth: 19.14

Sun: Altitude: -18.14 Azimuth: 130.81

Moon: Altitude: -6.22 Azimuth: 68.79

Vostryakovo

Object: Altitude: 67.54 Azimuth: 331.74

Sun: Altitude: -8.62 Azimuth: 110.87

Moon: Altitude: 5.00 Azimuth: 50.71

Gal. latitude: 6.096327 Gal. longitude: 69.132964

Dist. to Sun: 115.097122

Dist. to Moon: 81.176685

Moon coord.: (228.283236 d, -16.655782 d)

Sun coord.: (169.770871 d, 4.403516 d)

Lunar disk: 0.262592

Lunar phase: 118.347345

Lunar bright limb: 284.685759

No SN in this field

2021-09-11 17:52:31 (JD 2459469.244803)

Siderial time 19.781283 h

Ra 19:38:19.20 Dec 34:42:36.00
(294.580000d, 34.710000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 24.83 Azimuth: 115.15

Sun: Altitude: -26.81 Azimuth: 221.98

Moon: Altitude: -52.06 Azimuth: 143.83

Tunka

Object: Altitude: 39.89 Azimuth: 97.92

Sun: Altitude: -32.82 Azimuth: 194.71

Moon: Altitude: -39.33 Azimuth: 115.79

Kislovodsk

Object: Altitude: 79.45 Azimuth: 33.42

Sun: Altitude: -25.30 Azimuth: 124.72

Moon: Altitude: 0.25 Azimuth: 66.07

Tavrida

Object: Altitude: 79.92 Azimuth: 353.12

Sun: Altitude: -19.58 Azimuth: 117.82

Moon: Altitude: 5.23 Azimuth: 59.95

SAAO

Object: Altitude: 21.51 Azimuth: 192.93

Sun: Altitude: -19.29 Azimuth: 82.76

Moon: Altitude: 41.56 Azimuth: 95.93

IAC

Object: Altitude: 45.70 Azimuth: 248.02

Sun: Altitude: 17.22 Azimuth: 85.64

Moon: Altitude: 42.93 Azimuth: 18.06

Argentina

Object: Altitude: -28.59 Azimuth: 244.84

Sun: Altitude: 49.12 Azimuth: 148.65

Moon: Altitude: 51.64 Azimuth: 256.50

Mexico

Object: Altitude: -16.81 Azimuth: 208.81

Sun: Altitude: 56.76 Azimuth: 319.11

Moon: Altitude: -0.54 Azimuth: 289.45

Ural

Object: Altitude: 62.40 Azimuth: 46.33

Sun: Altitude: -23.58 Azimuth: 145.74

Moon: Altitude: -13.96 Azimuth: 80.45

Vostryakovo

Object: Altitude: 69.27 Azimuth: 5.42

Sun: Altitude: -16.19 Azimuth: 124.10

Moon: Altitude: -2.03 Azimuth: 62.64

Gal. latitude: 6.096327 Gal. longitude: 69.132964

Dist. to Sun: 115.079903

Dist. to Moon: 80.884936

Moon coord.: (228.867277 d, -16.861204 d)

Sun coord.: (169.808269 d, 4.387650 d)

Lunar disk: 0.266851

Lunar phase: 117.794298

Lunar bright limb: 284.547183

No SN in this field

2024-10-18 02:39:40 (JD 2460601.610880)

Siderial time 6.974693 h

Ra 19:38:19.20 Dec 34:42:36.00
(294.580000d, 34.710000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 20.26 Azimuth: 239.62

Sun: Altitude: 29.58 Azimuth: 350.29

Moon: Altitude: -23.04 Azimuth: 162.91

Tunka

Object: Altitude: 9.18 Azimuth: 223.33

Sun: Altitude: 22.32 Azimuth: 324.55

Moon: Altitude: -14.35 Azimuth: 139.49

Kislovodsk

Object: Altitude: -11.41 Azimuth: 175.76

Sun: Altitude: -9.17 Azimuth: 274.60

Moon: Altitude: 18.42 Azimuth: 93.52

Tavrida

Object: Altitude: -9.61 Azimuth: 168.73

Sun: Altitude: -15.29 Azimuth: 268.48

Moon: Altitude: 24.51 Azimuth: 87.21

SAAO

Object: Altitude: -67.64 Azimuth: 103.35

Sun: Altitude: -15.38 Azimuth: 292.33

Moon: Altitude: 17.69 Azimuth: 121.74

IAC

Object: Altitude: -2.66 Azimuth: 132.25

Sun: Altitude: -58.17 Azimuth: 239.53

Moon: Altitude: 67.46 Azimuth: 58.30

Argentina

Object: Altitude: 0.92 Azimuth: 132.85

Sun: Altitude: -41.98 Azimuth: 34.62

Moon: Altitude: 33.39 Azimuth: 219.13

Mexico

Object: Altitude: 71.18 Azimuth: 107.08

Sun: Altitude: -25.10 Azimuth: 93.80

Moon: Altitude: 21.13 Azimuth: 264.65

Ural

Object: Altitude: 2.30 Azimuth: 189.82

Sun: Altitude: -0.87 Azimuth: 286.51

Moon: Altitude: 9.53 Azimuth: 103.10

Vostryakovo

Object: Altitude: 0.48 Azimuth: 171.98

Sun: Altitude: -12.59 Azimuth: 268.76

Moon: Altitude: 21.41 Azimuth: 85.68

Gal. latitude: 6.096327 Gal. longitude: 69.132964

Dist. to Sun: 96.723335

Dist. to Moon: 86.386703

Moon coord.: (30.751642 d, 15.100931 d)

Sun coord.: (203.040304 d, -9.634375 d)

Lunar disk: 0.993489

Lunar phase: 9.256228

Lunar bright limb: 54.924538

No SN in this field
Recent coverage and limits telegrams

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

  ID = 5030
TYPE = 35
DAYS = 1


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 GRB210911.70 (trigger No 653071808,19h 38m 19.20s , +34d 42m 36.0s, R=5.75) errorbox  507 sec after notice time and 620 sec after trigger time at 2021-09-11 17:00:24 UT, with upper limit up to  18.2 mag. Observations started at twilight.  The observations began at zenith distance = 13 deg. The sun  altitude  is -11.2 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the FERMI GRB210911.70 errorbox  25175 sec after notice time and 25288 sec after trigger time at 2021-09-11 23:51:32 UT, with upper limit up to  17.7 mag. The observations began at zenith distance = 75 deg. The sun  altitude  is -29.9 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB210911.70 errorbox  34718 sec after notice time and 34831 sec after trigger time at 2021-09-12 02:30:35 UT, with upper limit up to  16.5 mag. The observations began at zenith distance = 63 deg. The sun  altitude  is -51.0 deg. 

The galactic latitude b =  6 deg., longitude l = 69 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1717699

We obtain a following upper limits.  

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

     651 | 2021-09-11 17:00:24 |      MASTER-Tavrida | (19h 31m 32.18s , +35d 14m 09.2s) |   C |    60 | 17.0 |        
    2790 | 2021-09-11 17:36:03 |      MASTER-Tavrida | (19h 31m 44.40s , +35d 15m 33.6s) |   C |    60 | 16.9 |        
    3502 | 2021-09-11 17:47:55 |      MASTER-Tavrida | (19h 41m 36.09s , +35d 13m 36.0s) |   C |    60 | 16.8 |        
    4013 | 2021-09-11 17:56:27 |      MASTER-Tavrida | (19h 26m 32.59s , +35d 36m 50.4s) |   C |    60 | 17.5 |        
    4725 | 2021-09-11 18:08:18 |      MASTER-Tavrida | (19h 36m 19.27s , +35d 36m 39.1s) |   C |    60 | 17.5 |        
    6337 | 2021-09-11 18:35:10 |      MASTER-Tavrida | (19h 37m 47.82s , +27d 59m 22.6s) |   C |    60 | 17.5 |        
    6416 | 2021-09-11 18:36:29 |      MASTER-Tavrida | (19h 46m 55.90s , +27d 59m 44.9s) |   C |    60 | 17.4 |        
    6495 | 2021-09-11 18:37:48 |      MASTER-Tavrida | (19h 36m 36.74s , +33d 41m 52.2s) |   C |    60 | 18.0 |        
    6574 | 2021-09-11 18:39:07 |      MASTER-Tavrida | (19h 46m 16.10s , +33d 43m 19.9s) |   C |    60 | 17.5 |        
    6653 | 2021-09-11 18:40:26 |      MASTER-Tavrida | (19h 41m 55.71s , +29d 55m 18.9s) |   C |    60 | 17.4 |        
    6732 | 2021-09-11 18:41:45 |      MASTER-Tavrida | (19h 51m 15.35s , +29d 54m 16.4s) |   C |    60 | 17.4 |        
    6811 | 2021-09-11 18:43:05 |      MASTER-Tavrida | (19h 18m 25.19s , +33d 41m 43.4s) |   C |    60 | 18.2 |        
    6890 | 2021-09-11 18:44:24 |      MASTER-Tavrida | (19h 27m 57.05s , +33d 43m 03.9s) |   C |    60 | 18.0 |        
    7128 | 2021-09-11 18:48:21 |      MASTER-Tavrida | (19h 54m 57.60s , +28d 00m 03.6s) |   C |    60 | 17.7 |        
    7286 | 2021-09-11 18:51:00 |      MASTER-Tavrida | (19h 37m 52.28s , +27d 59m 58.0s) |   C |    60 | 17.3 |        
    7375 | 2021-09-11 18:52:28 |      MASTER-Tavrida | (19h 46m 48.49s , +27d 58m 55.5s) |   C |    60 | 17.2 |        
    7615 | 2021-09-11 18:56:28 |      MASTER-Tavrida | (19h 36m 30.32s , +33d 42m 56.1s) |   C |    60 | 17.6 |        
    7694 | 2021-09-11 18:57:47 |      MASTER-Tavrida | (19h 46m 11.92s , +33d 41m 53.4s) |   C |    60 | 17.2 |        
    7773 | 2021-09-11 18:59:07 |      MASTER-Tavrida | (19h 41m 51.74s , +29d 52m 45.5s) |   C |    60 | 17.1 |        
    7852 | 2021-09-11 19:00:25 |      MASTER-Tavrida | (19h 51m 10.95s , +29d 52m 49.5s) |   C |    60 | 17.2 |        
    7932 | 2021-09-11 19:01:46 |      MASTER-Tavrida | (19h 18m 16.87s , +33d 42m 39.8s) |   C |    60 | 18.0 |        
    8012 | 2021-09-11 19:03:05 |      MASTER-Tavrida | (19h 27m 52.88s , +33d 41m 01.2s) |   C |    60 | 17.9 |        
    8091 | 2021-09-11 19:04:24 |      MASTER-Tavrida | (19h 55m 01.08s , +28d 00m 09.9s) |   C |    60 | 17.5 |        
    8249 | 2021-09-11 19:07:02 |      MASTER-Tavrida | (19h 37m 43.50s , +28d 00m 29.7s) |   C |    60 | 17.2 |        
    8328 | 2021-09-11 19:08:22 |      MASTER-Tavrida | (19h 46m 51.34s , +27d 59m 28.0s) |   C |    60 | 17.2 |        
    8566 | 2021-09-11 19:12:19 |      MASTER-Tavrida | (19h 36m 30.97s , +33d 40m 50.4s) |   C |    60 | 17.8 |        
    8645 | 2021-09-11 19:13:38 |      MASTER-Tavrida | (19h 46m 09.69s , +33d 42m 15.8s) |   C |    60 | 17.3 |        
    8724 | 2021-09-11 19:14:57 |      MASTER-Tavrida | (19h 41m 51.25s , +29d 53m 17.1s) |   C |    60 | 17.2 |        
    8803 | 2021-09-11 19:16:16 |      MASTER-Tavrida | (19h 51m 04.46s , +29d 54m 15.8s) |   C |    60 | 17.3 |        
   25318 | 2021-09-11 23:51:32 |   MASTER-Kislovodsk | (19h 45m 43.80s , +27d 43m 53.8s) |   C |    60 | 16.3 |        
   25319 | 2021-09-11 23:51:32 |   MASTER-Kislovodsk | (19h 41m 29.17s , +28d 05m 55.4s) |   C |    60 | 16.4 |        
   25719 | 2021-09-11 23:58:12 |   MASTER-Kislovodsk | (19h 50m 02.57s , +29d 38m 36.0s) |   C |    60 | 16.3 |        
   25719 | 2021-09-11 23:58:12 |   MASTER-Kislovodsk | (19h 45m 43.43s , +30d 00m 38.3s) |   C |    60 | 16.4 |        
   26280 | 2021-09-12 00:07:34 |   MASTER-Kislovodsk | (19h 45m 44.68s , +27d 44m 33.9s) |   C |    60 | 16.4 |        
   26280 | 2021-09-12 00:07:34 |   MASTER-Kislovodsk | (19h 41m 32.01s , +28d 06m 30.6s) |   C |    60 | 16.7 |        
   26601 | 2021-09-12 00:12:55 |   MASTER-Kislovodsk | (20h 03m 09.46s , +29d 59m 54.0s) |   C |    60 | 17.1 |        
   26681 | 2021-09-12 00:14:15 |   MASTER-Kislovodsk | (19h 49m 58.23s , +29d 38m 24.9s) |   C |    60 | 16.1 |        
   26681 | 2021-09-12 00:14:15 |   MASTER-Kislovodsk | (19h 45m 40.39s , +30d 00m 22.0s) |   C |    60 | 16.4 |        
   26842 | 2021-09-12 00:16:56 |   MASTER-Kislovodsk | (19h 34m 53.97s , +35d 18m 18.3s) |   C |    60 | 16.9 |        
   26842 | 2021-09-12 00:16:56 |   MASTER-Kislovodsk | (19h 30m 18.45s , +35d 40m 12.8s) |   C |    60 | 17.2 |        
   27243 | 2021-09-12 00:23:37 |   MASTER-Kislovodsk | (19h 45m 47.90s , +27d 43m 08.7s) |   C |    60 | 16.3 |        
   27564 | 2021-09-12 00:28:58 |   MASTER-Kislovodsk | (20h 03m 11.32s , +29d 58m 23.9s) |   C |    60 | 17.1 |        
   27644 | 2021-09-12 00:30:18 |   MASTER-Kislovodsk | (19h 50m 04.91s , +29d 36m 21.1s) |   C |    60 | 16.1 |        
   27645 | 2021-09-12 00:30:18 |   MASTER-Kislovodsk | (19h 45m 48.34s , +29d 58m 10.8s) |   C |    60 | 16.4 |        
   27805 | 2021-09-12 00:32:58 |   MASTER-Kislovodsk | (19h 34m 47.36s , +35d 18m 42.3s) |   C |    60 | 16.8 |        
   27805 | 2021-09-12 00:32:58 |   MASTER-Kislovodsk | (19h 30m 13.29s , +35d 40m 32.2s) |   C |    60 | 17.2 |        
   28046 | 2021-09-12 00:36:59 |   MASTER-Kislovodsk | (19h 44m 52.51s , +33d 25m 19.4s) |   C |    60 | 16.4 |        
   28046 | 2021-09-12 00:36:59 |   MASTER-Kislovodsk | (19h 40m 24.80s , +33d 47m 10.3s) |   C |    60 | 17.0 |        
   28206 | 2021-09-12 00:39:39 |   MASTER-Kislovodsk | (19h 44m 47.25s , +37d 13m 19.2s) |   C |    60 | 16.8 |        
   28206 | 2021-09-12 00:39:39 |   MASTER-Kislovodsk | (19h 40m 05.10s , +37d 35m 11.1s) |   C |    60 | 17.3 |        
   28286 | 2021-09-12 00:40:59 |   MASTER-Kislovodsk | (19h 25m 34.07s , +37d 13m 21.3s) |   C |    60 | 16.8 |        
   28286 | 2021-09-12 00:40:59 |   MASTER-Kislovodsk | (19h 20m 53.86s , +37d 35m 08.1s) |   C |    60 | 17.3 |        
   28366 | 2021-09-12 00:42:19 |   MASTER-Kislovodsk | (19h 53m 31.42s , +35d 18m 04.1s) |   C |    60 | 16.5 |        
   28366 | 2021-09-12 00:42:19 |   MASTER-Kislovodsk | (19h 48m 56.67s , +35d 39m 56.9s) |   C |    60 | 16.9 |        
   28446 | 2021-09-12 00:43:40 |   MASTER-Kislovodsk | (19h 29m 53.91s , +40d 59m 32.1s) |   C |    60 | 17.1 |        
   28446 | 2021-09-12 00:43:40 |   MASTER-Kislovodsk | (19h 24m 56.32s , +41d 21m 21.0s) |   C |    60 | 17.7 |        
   28526 | 2021-09-12 00:45:00 |   MASTER-Kislovodsk | (20h 03m 17.30s , +29d 59m 39.3s) |   C |    60 | 16.9 |        
   28606 | 2021-09-12 00:46:20 |   MASTER-Kislovodsk | (19h 36m 48.98s , +39d 06m 31.3s) |   C |    60 | 17.0 |        
   28606 | 2021-09-12 00:46:20 |   MASTER-Kislovodsk | (19h 32m 00.07s , +39d 28m 20.0s) |   C |    60 | 17.5 |        
   28767 | 2021-09-12 00:49:00 |   MASTER-Kislovodsk | (19h 34m 45.88s , +35d 17m 21.9s) |   C |    60 | 16.6 |        
   28767 | 2021-09-12 00:49:00 |   MASTER-Kislovodsk | (19h 30m 13.46s , +35d 39m 05.7s) |   C |    60 | 17.0 |        
   29167 | 2021-09-12 00:55:41 |   MASTER-Kislovodsk | (19h 44m 41.13s , +37d 11m 27.3s) |   C |    60 | 16.7 |        
   29167 | 2021-09-12 00:55:41 |   MASTER-Kislovodsk | (19h 40m 00.91s , +37d 33m 13.0s) |   C |    60 | 17.2 |        
   29328 | 2021-09-12 00:58:21 |   MASTER-Kislovodsk | (19h 53m 30.11s , +35d 19m 12.1s) |   C |    60 | 16.4 |        
   29328 | 2021-09-12 00:58:21 |   MASTER-Kislovodsk | (19h 48m 56.71s , +35d 40m 57.9s) |   C |    60 | 16.8 |        
   29408 | 2021-09-12 00:59:41 |   MASTER-Kislovodsk | (19h 29m 49.79s , +41d 01m 02.3s) |   C |    60 | 17.0 |        
   29408 | 2021-09-12 00:59:41 |   MASTER-Kislovodsk | (19h 24m 53.65s , +41d 22m 45.5s) |   C |    60 | 17.5 |        
   29568 | 2021-09-12 01:02:21 |   MASTER-Kislovodsk | (19h 36m 48.76s , +39d 05m 08.9s) |   C |    60 | 16.9 |        
   29568 | 2021-09-12 01:02:21 |   MASTER-Kislovodsk | (19h 32m 01.38s , +39d 26m 50.5s) |   C |    60 | 17.4 |        
   30139 | 2021-09-12 01:11:52 |      MASTER-Tavrida | (19h 34m 34.88s , +31d 14m 57.5s) |   C |    60 | 16.2 |        
   30218 | 2021-09-12 01:13:11 |      MASTER-Tavrida | (19h 43m 58.53s , +31d 13m 35.6s) |   C |    60 | 16.0 |        
   30297 | 2021-09-12 01:14:30 |      MASTER-Tavrida | (20h 04m 07.48s , +29d 19m 55.2s) |   C |    60 | 16.2 |        
   30456 | 2021-09-12 01:17:09 |      MASTER-Tavrida | (19h 13m 55.50s , +38d 48m 20.2s) |   C |    60 | 17.1 |        
   30535 | 2021-09-12 01:18:28 |      MASTER-Tavrida | (19h 24m 19.74s , +38d 48m 36.3s) |   C |    60 | 17.2 |        
   31078 | 2021-09-12 01:27:31 |      MASTER-Tavrida | (19h 17m 06.03s , +40d 43m 53.8s) |   C |    60 | 17.4 |        
   31922 | 2021-09-12 01:41:35 |      MASTER-Tavrida | (19h 41m 28.57s , +36d 55m 44.9s) |   C |    60 | 16.9 |        
   32001 | 2021-09-12 01:42:54 |      MASTER-Tavrida | (19h 51m 26.19s , +36d 54m 57.6s) |   C |    60 | 16.6 |        
   32080 | 2021-09-12 01:44:13 |      MASTER-Tavrida | (19h 17m 04.61s , +40d 43m 21.9s) |   C |    60 | 15.0 |        
   32159 | 2021-09-12 01:45:33 |      MASTER-Tavrida | (19h 26m 42.76s , +40d 43m 04.3s) |   C |    60 | 15.9 |        
   32238 | 2021-09-12 01:46:51 |      MASTER-Tavrida | (19h 37m 13.65s , +40d 42m 06.4s) |   C |    60 | 16.9 |        
   33166 | 2021-09-12 02:02:20 |      MASTER-Tavrida | (19h 37m 20.09s , +40d 41m 30.5s) |   C |    60 | 12.1 |        
   34862 | 2021-09-12 02:30:35 |         MASTER-OAFA | (19h 56m 32.11s , +28d 27m 11.2s) |   C |    60 | 16.5 |        
   35993 | 2021-09-12 02:49:26 |         MASTER-OAFA | (19h 56m 29.93s , +28d 26m 01.1s) |   C |    60 | 16.4 |        
   36921 | 2021-09-12 03:04:55 |         MASTER-OAFA | (19h 56m 34.86s , +28d 26m 36.4s) |   C |    60 | 16.5 |        
   37716 | 2021-09-12 03:18:10 |         MASTER-OAFA | (19h 39m 21.87s , +28d 25m 28.4s) |   C |    60 | 14.9 |        
   37839 | 2021-09-12 03:20:12 |         MASTER-OAFA | (19h 48m 28.28s , +28d 26m 36.7s) |   C |    60 | 14.4 |        
   38823 | 2021-09-12 03:36:36 |         MASTER-OAFA | (19h 39m 21.67s , +28d 25m 27.8s) |   C |    60 | 15.6 |        
   38907 | 2021-09-12 03:38:00 |         MASTER-OAFA | (19h 48m 27.09s , +28d 26m 41.3s) |   C |    60 | 15.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4995
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 GRB210911.70 (trigger No 653071808,19h 38m 19.20s , +34d 42m 36.0s, R=5.75) errorbox  507 sec after notice time and 620 sec after trigger time at 2021-09-11 17:00:24 UT, with upper limit up to  17.0 mag. Observations started at twilight.  The observations began at zenith distance = 13 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b =  6 deg., longitude l = 69 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1717694

We obtain a following upper limits.  

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

     651 | 2021-09-11 17:00:24 |      MASTER-Tavrida | (19h 31m 32.18s , +35d 14m 09.2s) |   C |    60 | 17.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4994
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 GRB210911.70 (trigger No 653071808,19h 38m 19.20s , +34d 42m 36.0s, R=5.75) errorbox  507 sec after notice time and 620 sec after trigger time at 2021-09-11 17:00:24 UT, with upper limit up to  17.0 mag. Observations started at twilight.  The observations began at zenith distance = 13 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b =  6 deg., longitude l = 69 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1717694

We obtain a following upper limits.  

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

     651 | 2021-09-11 17:00:24 |      MASTER-Tavrida | (19h 31m 32.18s , +35d 14m 09.2s) |   C |    60 | 17.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4993
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 GRB210911.70 (trigger No 653071808,19h 38m 19.20s , +34d 42m 36.0s, R=5.75) errorbox  507 sec after notice time and 620 sec after trigger time at 2021-09-11 17:00:24 UT, with upper limit up to  17.0 mag. Observations started at twilight.  The observations began at zenith distance = 13 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b =  6 deg., longitude l = 69 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1717694

We obtain a following upper limits.  

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

     651 | 2021-09-11 17:00:24 |      MASTER-Tavrida | (19h 31m 32.18s , +35d 14m 09.2s) |   C |    60 | 17.0 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2024