MASTER Net MASTER Database: GRB210911.64 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 GRB210911.64
Trignum 653066130
Trigger time 2021-09-11 15:15:25.44
Notice time 2021-09-11 15:37:51.908616
Coord, eb (19h 54m 14.40s , +27d 03m 36.0s) , 1
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You are viewing outdated information, relevant error box is here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
2256022 2023-08-18 21:25:04.060503 19h 54m 14.40s +27d 03m 36.0s FERMI 1 retraction 653066130 1 4044 retraction
1717627 2021-09-11 15:38:44.180534 19h 54m 14.40s +27d 03m 36.0s FERMI 1 alert 653066130 19 112 alert
1717625 2021-09-11 15:38:27.339348 19h 21m 52.08s +21d 49m 01.2s FERMI 3.38 alert 653066130 26 111 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 15:15:25 (JD 2459469.135706)

Siderial time 17.155781 h

Ra 19:54:14.40 Dec 27:03:36.00
(298.560000d, 27.060000d)

Rise 2021-09-12 08:36:02

Transit 2021-09-12 17:55:55

Set 2021-09-12 03:19:45

Amur

Object: Altitude: 46.54 Azimuth: 76.35

Sun: Altitude: -35.21 Azimuth: 176.94

Moon: Altitude: -31.42 Azimuth: 102.75

Tunka

Object: Altitude: 59.28 Azimuth: 45.67

Sun: Altitude: -29.27 Azimuth: 148.83

Moon: Altitude: -16.09 Azimuth: 83.90

Kislovodsk

Object: Altitude: 56.40 Azimuth: 287.62

Sun: Altitude: 1.24 Azimuth: 94.95

Moon: Altitude: 21.98 Azimuth: 36.31

Tavrida

Object: Altitude: 50.25 Azimuth: 280.94

Sun: Altitude: 7.36 Azimuth: 88.95

Moon: Altitude: 24.39 Azimuth: 27.93

SAAO

Object: Altitude: 8.89 Azimuth: 229.88

Sun: Altitude: 13.61 Azimuth: 104.34

Moon: Altitude: 69.98 Azimuth: 140.23

IAC

Object: Altitude: 8.20 Azimuth: 243.61

Sun: Altitude: 50.23 Azimuth: 59.34

Moon: Altitude: 39.64 Azimuth: 329.37

Argentina

Object: Altitude: -61.98 Azimuth: 271.47

Sun: Altitude: 49.37 Azimuth: 210.43

Moon: Altitude: 19.41 Azimuth: 277.59

Mexico

Object: Altitude: -31.22 Azimuth: 170.39

Sun: Altitude: 27.52 Azimuth: 282.24

Moon: Altitude: -32.07 Azimuth: 270.56

Ural

Object: Altitude: 57.03 Azimuth: 327.25

Sun: Altitude: -6.70 Azimuth: 108.91

Moon: Altitude: 4.95 Azimuth: 49.31

Vostryakovo

Object: Altitude: 49.11 Azimuth: 296.73

Sun: Altitude: 4.88 Azimuth: 90.73

Moon: Altitude: 13.89 Azimuth: 29.81

Gal. latitude: -0.726498 Gal. longitude: 64.266651

Dist. to Sun: 121.453776

Dist. to Moon: 81.528532

Moon coord.: (227.340585 d, -16.319854 d)

Sun coord.: (169.710347 d, 4.429188 d)

Lunar disk: 0.255747

Lunar phase: 119.242467

Lunar bright limb: 284.903254

No SN in this field

2021-09-11 15:37:51 (JD 2459469.151285)

Siderial time 17.530694 h

Ra 19:54:14.40 Dec 27:03:36.00
(298.560000d, 27.060000d)

Rise 2021-09-12 08:36:02

Transit 2021-09-12 17:55:55

Set 2021-09-12 03:19:45

Amur

Object: Altitude: 43.02 Azimuth: 81.36

Sun: Altitude: -35.19 Azimuth: 183.78

Moon: Altitude: -34.82 Azimuth: 107.44

Tunka

Object: Altitude: 56.63 Azimuth: 53.68

Sun: Altitude: -30.91 Azimuth: 155.01

Moon: Altitude: -19.48 Azimuth: 88.02

Kislovodsk

Object: Altitude: 60.20 Azimuth: 293.84

Sun: Altitude: -2.79 Azimuth: 98.83

Moon: Altitude: 19.47 Azimuth: 41.16

Tavrida

Object: Altitude: 54.14 Azimuth: 286.10

Sun: Altitude: 3.37 Azimuth: 92.89

Moon: Altitude: 22.37 Azimuth: 33.14

SAAO

Object: Altitude: 12.43 Azimuth: 226.27

Sun: Altitude: 8.99 Azimuth: 101.12

Moon: Altitude: 66.79 Azimuth: 129.09

IAC

Object: Altitude: 12.67 Azimuth: 245.89

Sun: Altitude: 45.87 Azimuth: 64.58

Moon: Altitude: 41.77 Azimuth: 335.61

Argentina

Object: Altitude: -57.20 Azimuth: 268.51

Sun: Altitude: 51.50 Azimuth: 202.30

Moon: Altitude: 24.01 Azimuth: 275.02

Mexico

Object: Altitude: -31.79 Azimuth: 176.23

Sun: Altitude: 32.18 Azimuth: 285.81

Moon: Altitude: -27.48 Azimuth: 273.34

Ural

Object: Altitude: 58.48 Azimuth: 336.25

Sun: Altitude: -9.55 Azimuth: 113.78

Moon: Altitude: 2.58 Azimuth: 53.93

Vostryakovo

Object: Altitude: 51.88 Azimuth: 303.30

Sun: Altitude: 1.70 Azimuth: 95.33

Moon: Altitude: 12.17 Azimuth: 34.83

Gal. latitude: -0.726498 Gal. longitude: 64.266651

Dist. to Sun: 121.445893

Dist. to Moon: 81.391543

Moon coord.: (227.558093 d, -16.397843 d)

Sun coord.: (169.724330 d, 4.423257 d)

Lunar disk: 0.257323

Lunar phase: 119.035653

Lunar bright limb: 284.853753

No SN in this field

2021-09-11 16:37:51 (JD 2459469.192951)

Siderial time 18.533431 h

Ra 19:54:14.40 Dec 27:03:36.00
(298.560000d, 27.060000d)

Rise 2021-09-12 08:36:02

Transit 2021-09-12 17:55:55

Set 2021-09-12 03:19:45

Amur

Object: Altitude: 33.44 Azimuth: 93.32

Sun: Altitude: -33.09 Azimuth: 201.70

Moon: Altitude: -43.38 Azimuth: 121.54

Tunka

Object: Altitude: 48.39 Azimuth: 71.15

Sun: Altitude: -33.53 Azimuth: 172.44

Moon: Altitude: -28.55 Azimuth: 99.52

Kislovodsk

Object: Altitude: 69.07 Azimuth: 317.72

Sun: Altitude: -13.30 Azimuth: 109.60

Moon: Altitude: 11.64 Azimuth: 53.05

Tavrida

Object: Altitude: 63.82 Azimuth: 304.30

Sun: Altitude: -7.18 Azimuth: 103.52

Moon: Altitude: 15.64 Azimuth: 45.97

SAAO

Object: Altitude: 20.74 Azimuth: 215.30

Sun: Altitude: -3.57 Azimuth: 92.96

Moon: Altitude: 56.24 Azimuth: 109.86

IAC

Object: Altitude: 25.01 Azimuth: 251.40

Sun: Altitude: 33.44 Azimuth: 75.46

Moon: Altitude: 44.91 Azimuth: 354.22

Argentina

Object: Altitude: -44.47 Azimuth: 261.87

Sun: Altitude: 53.77 Azimuth: 177.82

Moon: Altitude: 36.38 Azimuth: 267.75

Mexico

Object: Altitude: -30.87 Azimuth: 191.87

Sun: Altitude: 44.13 Azimuth: 297.32

Moon: Altitude: -15.29 Azimuth: 280.44

Ural

Object: Altitude: 60.01 Azimuth: 2.43

Sun: Altitude: -16.58 Azimuth: 127.34

Moon: Altitude: -4.40 Azimuth: 65.92

Vostryakovo

Object: Altitude: 58.07 Azimuth: 324.13

Sun: Altitude: -6.65 Azimuth: 107.77

Moon: Altitude: 6.57 Azimuth: 47.69

Gal. latitude: -0.726498 Gal. longitude: 64.266651

Dist. to Sun: 121.424802

Dist. to Moon: 81.025583

Moon coord.: (228.140652 d, -16.605315 d)

Sun coord.: (169.761729 d, 4.407394 d)

Lunar disk: 0.261555

Lunar phase: 118.482542

Lunar bright limb: 284.719149

No SN in this field

2025-03-19 12:38:03 (JD 2460754.026424)

Siderial time 2.962947 h

Ra 19:54:14.40 Dec 27:03:36.00
(298.560000d, 27.060000d)

Rise 2025-03-20 20:07:56

Transit 2025-03-20 05:31:44

Set 2025-03-20 14:51:37

Amur

Object: Altitude: -11.37 Azimuth: 194.27

Sun: Altitude: -27.45 Azimuth: 127.70

Moon: Altitude: -22.96 Azimuth: 279.83

Tunka

Object: Altitude: -10.76 Azimuth: 172.15

Sun: Altitude: -13.17 Azimuth: 106.49

Moon: Altitude: -38.23 Azimuth: 259.83

Kislovodsk

Object: Altitude: 4.95 Azimuth: 123.32

Sun: Altitude: 27.02 Azimuth: 59.93

Moon: Altitude: -69.72 Azimuth: 172.06

Tavrida

Object: Altitude: 10.69 Azimuth: 117.68

Sun: Altitude: 31.51 Azimuth: 51.62

Moon: Altitude: -66.90 Azimuth: 152.25

SAAO

Object: Altitude: -13.39 Azimuth: 113.75

Sun: Altitude: 48.15 Azimuth: 133.90

Moon: Altitude: -29.24 Azimuth: 26.03

IAC

Object: Altitude: 44.51 Azimuth: 101.26

Sun: Altitude: 60.07 Azimuth: 342.58

Moon: Altitude: -34.63 Azimuth: 79.57

Argentina

Object: Altitude: 31.13 Azimuth: 181.10

Sun: Altitude: 24.27 Azimuth: 254.40

Moon: Altitude: 32.57 Azimuth: 80.60

Mexico

Object: Altitude: 53.18 Azimuth: 265.31

Sun: Altitude: -10.90 Azimuth: 263.91

Moon: Altitude: 30.66 Azimuth: 25.78

Ural

Object: Altitude: 4.86 Azimuth: 135.08

Sun: Altitude: 11.63 Azimuth: 70.55

Moon: Altitude: -55.06 Azimuth: 202.81

Vostryakovo

Object: Altitude: 13.55 Azimuth: 118.33

Sun: Altitude: 22.94 Azimuth: 51.03

Moon: Altitude: -57.73 Azimuth: 166.69

Gal. latitude: -0.726498 Gal. longitude: 64.266651

Dist. to Sun: 64.099076

Dist. to Moon: 81.556771

Moon coord.: (232.344290 d, -23.615383 d)

Sun coord.: (358.906594 d, -0.473632 d)

Lunar disk: 0.772061

Lunar phase: 57.035270

Lunar bright limb: 107.041848

No SN in this field

Recent coverage and limits telegrams

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

  ID = 5053
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 GRB210911.64 (trigger No 653066130,19h 54m 14.40s , +27d 03m 36.0s, R=1) errorbox  9456 sec after notice time and 10747 sec after trigger time at 2021-09-11 18:14:32 UT, with upper limit up to  19.0 mag. The observations began at zenith distance = 18 deg. The sun  altitude  is -23.3 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the FERMI GRB210911.64 errorbox  29515 sec after notice time and 30806 sec after trigger time at 2021-09-11 23:48:52 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 73 deg. The sun  altitude  is -30.3 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB210911.64 errorbox  38239 sec after notice time and 39531 sec after trigger time at 2021-09-12 02:14:16 UT, with upper limit up to  17.5 mag. The observations began at zenith distance = 60 deg. The sun  altitude  is -48.1 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) started inspect of the FERMI GRB210911.64 errorbox  1 days 14924 sec after notice time and 1 days 16215 sec after trigger time at 2021-09-12 19:45:40 UT, with upper limit up to  17.7 mag. The observations began at zenith distance = 61 deg. The sun  altitude  is -41.5 deg. 

The galactic latitude b = -1 deg., longitude l = 64 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1717627

We obtain a following upper limits.  

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

   10777 | 2021-09-11 18:14:32 |      MASTER-Tavrida | (20h 01m 04.70s , +26d 07m 50.2s) |   C |    60 | 18.3 |        
   11647 | 2021-09-11 18:29:02 |      MASTER-Tavrida | (19h 52m 03.36s , +26d 05m 41.4s) |   C |    60 | 18.5 |        
   11726 | 2021-09-11 18:30:21 |      MASTER-Tavrida | (20h 00m 56.03s , +26d 07m 05.1s) |   C |    60 | 18.6 |        
   11936 | 2021-09-11 18:33:51 |      MASTER-Tavrida | (20h 04m 02.18s , +28d 01m 24.6s) |   C |    60 | 18.2 |        
   12094 | 2021-09-11 18:36:29 |      MASTER-Tavrida | (19h 46m 55.90s , +27d 59m 44.9s) |   C |    60 | 17.4 |        
   12410 | 2021-09-11 18:41:45 |      MASTER-Tavrida | (19h 51m 15.35s , +29d 54m 16.4s) |   C |    60 | 17.4 |        
   12648 | 2021-09-11 18:45:43 |      MASTER-Tavrida | (19h 51m 59.75s , +26d 05m 32.7s) |   C |    60 | 18.5 |        
   12727 | 2021-09-11 18:47:02 |      MASTER-Tavrida | (20h 00m 55.95s , +26d 06m 42.1s) |   C |    60 | 18.6 |        
   12806 | 2021-09-11 18:48:21 |      MASTER-Tavrida | (19h 54m 57.60s , +28d 00m 03.6s) |   C |    60 | 17.7 |        
   12886 | 2021-09-11 18:49:41 |      MASTER-Tavrida | (20h 03m 59.85s , +28d 01m 01.8s) |   C |    60 | 18.2 |        
   13054 | 2021-09-11 18:52:28 |      MASTER-Tavrida | (19h 46m 48.49s , +27d 58m 55.5s) |   C |    60 | 17.2 |        
   13530 | 2021-09-11 19:00:25 |      MASTER-Tavrida | (19h 51m 10.95s , +29d 52m 49.5s) |   C |    60 | 17.2 |        
   13769 | 2021-09-11 19:04:24 |      MASTER-Tavrida | (19h 55m 01.08s , +28d 00m 09.9s) |   C |    60 | 17.5 |        
   13848 | 2021-09-11 19:05:43 |      MASTER-Tavrida | (20h 03m 56.27s , +27d 59m 35.1s) |   C |    60 | 18.1 |        
   14007 | 2021-09-11 19:08:22 |      MASTER-Tavrida | (19h 46m 51.34s , +27d 59m 28.0s) |   C |    60 | 17.2 |        
   14481 | 2021-09-11 19:16:16 |      MASTER-Tavrida | (19h 51m 04.46s , +29d 54m 15.8s) |   C |    60 | 17.3 |        
   23916 | 2021-09-11 21:53:31 |      MASTER-Tavrida | (19h 48m 33.59s , +25d 36m 07.6s) |   C |    60 | 18.5 |        
   24923 | 2021-09-11 22:10:18 |      MASTER-Tavrida | (19h 48m 33.54s , +25d 34m 30.3s) |   C |    60 | 18.4 |        
   30837 | 2021-09-11 23:48:52 |   MASTER-Kislovodsk | (19h 59m 51.42s , +25d 49m 38.0s) |   C |    60 | 17.3 |        
   30837 | 2021-09-11 23:48:52 |   MASTER-Kislovodsk | (19h 55m 39.78s , +26d 11m 43.7s) |   C |    60 | 17.2 |        
   30917 | 2021-09-11 23:50:12 |   MASTER-Kislovodsk | (20h 03m 01.46s , +27d 44m 50.9s) |   C |    60 | 17.0 |        
   30917 | 2021-09-11 23:50:12 |   MASTER-Kislovodsk | (19h 58m 44.79s , +28d 06m 58.7s) |   C |    60 | 16.9 |        
   30997 | 2021-09-11 23:51:32 |   MASTER-Kislovodsk | (19h 45m 43.80s , +27d 43m 53.8s) |   C |    60 | 16.3 |        
   31397 | 2021-09-11 23:58:12 |   MASTER-Kislovodsk | (19h 50m 02.57s , +29d 38m 36.0s) |   C |    60 | 16.3 |        
   31558 | 2021-09-12 00:00:53 |   MASTER-Kislovodsk | (19h 43m 00.65s , +25d 50m 08.8s) |   C |    60 | 16.8 |        
   31718 | 2021-09-12 00:03:33 |   MASTER-Kislovodsk | (19h 54m 01.69s , +24d 18m 54.9s) |   C |    60 | 17.4 |        
   31799 | 2021-09-12 00:04:54 |   MASTER-Kislovodsk | (19h 59m 54.97s , +25d 50m 44.4s) |   C |    60 | 17.3 |        
   31799 | 2021-09-12 00:04:54 |   MASTER-Kislovodsk | (19h 55m 45.94s , +26d 12m 45.8s) |   C |    60 | 17.4 |        
   31879 | 2021-09-12 00:06:14 |   MASTER-Kislovodsk | (20h 02m 56.18s , +27d 43m 57.5s) |   C |    60 | 17.1 |        
   31879 | 2021-09-12 00:06:14 |   MASTER-Kislovodsk | (19h 58m 41.99s , +28d 06m 00.3s) |   C |    60 | 17.2 |        
   31959 | 2021-09-12 00:07:34 |   MASTER-Kislovodsk | (19h 45m 44.68s , +27d 44m 33.9s) |   C |    60 | 16.4 |        
   32360 | 2021-09-12 00:14:15 |   MASTER-Kislovodsk | (19h 49m 58.23s , +29d 38m 24.9s) |   C |    60 | 16.1 |        
   32681 | 2021-09-12 00:19:36 |   MASTER-Kislovodsk | (19h 54m 07.33s , +24d 18m 20.4s) |   C |    60 | 17.3 |        
   32761 | 2021-09-12 00:20:56 |   MASTER-Kislovodsk | (19h 59m 47.59s , +25d 49m 32.3s) |   C |    60 | 17.3 |        
   32761 | 2021-09-12 00:20:56 |   MASTER-Kislovodsk | (19h 55m 39.75s , +26d 11m 26.9s) |   C |    60 | 17.4 |        
   32841 | 2021-09-12 00:22:16 |   MASTER-Kislovodsk | (20h 02m 53.47s , +27d 44m 33.6s) |   C |    60 | 16.9 |        
   32841 | 2021-09-12 00:22:16 |   MASTER-Kislovodsk | (19h 58m 40.47s , +28d 06m 30.4s) |   C |    60 | 17.2 |        
   32922 | 2021-09-12 00:23:37 |   MASTER-Kislovodsk | (19h 45m 47.90s , +27d 43m 08.7s) |   C |    60 | 16.3 |        
   33323 | 2021-09-12 00:30:18 |   MASTER-Kislovodsk | (19h 50m 04.91s , +29d 36m 21.1s) |   C |    60 | 16.1 |        
   39561 | 2021-09-12 02:14:16 |         MASTER-OAFA | (19h 53m 24.73s , +26d 33m 11.9s) |   C |    60 | 16.8 |        
   39645 | 2021-09-12 02:15:40 |         MASTER-OAFA | (20h 02m 23.18s , +26d 31m 59.8s) |   C |    60 | 17.5 |        
   40461 | 2021-09-12 02:29:16 |         MASTER-OAFA | (19h 53m 23.45s , +26d 31m 11.8s) |   C |    60 | 17.0 |        
   40540 | 2021-09-12 02:30:35 |         MASTER-OAFA | (19h 56m 32.11s , +28d 27m 11.2s) |   C |    60 | 16.5 |        
   40622 | 2021-09-12 02:31:57 |         MASTER-OAFA | (20h 02m 20.53s , +26d 31m 24.0s) |   C |    60 | 17.4 |        
   40701 | 2021-09-12 02:33:16 |         MASTER-OAFA | (20h 05m 37.47s , +28d 26m 43.2s) |   C |    60 | 17.2 |        
   41579 | 2021-09-12 02:47:54 |         MASTER-OAFA | (19h 53m 30.78s , +26d 32m 40.7s) |   C |    60 | 16.4 |        
   41671 | 2021-09-12 02:49:26 |         MASTER-OAFA | (19h 56m 29.93s , +28d 26m 01.1s) |   C |    60 | 16.4 |        
   41757 | 2021-09-12 02:50:52 |         MASTER-OAFA | (20h 02m 17.43s , +26d 32m 49.9s) |   C |    60 | 17.1 |        
   41837 | 2021-09-12 02:52:12 |         MASTER-OAFA | (20h 05m 36.93s , +28d 25m 51.8s) |   C |    60 | 16.7 |        
   42600 | 2021-09-12 03:04:55 |         MASTER-OAFA | (19h 56m 34.86s , +28d 26m 36.4s) |   C |    60 | 16.5 |        
   42891 | 2021-09-12 03:09:46 |         MASTER-OAFA | (20h 05m 31.20s , +28d 26m 38.8s) |   C |    60 | 16.9 |        
   43517 | 2021-09-12 03:20:12 |         MASTER-OAFA | (19h 48m 28.28s , +28d 26m 36.7s) |   C |    60 | 14.4 |        
   44585 | 2021-09-12 03:38:00 |         MASTER-OAFA | (19h 48m 27.09s , +28d 26m 41.3s) |   C |    60 | 15.2 |        
  102645 | 2021-09-12 19:45:40 |         MASTER-SAAO | (19h 50m 28.56s , +27d 40m 53.5s) |   C |    60 | 12.4 |        
  102725 | 2021-09-12 19:47:00 |         MASTER-SAAO | (19h 58m 28.69s , +27d 39m 32.0s) |   C |    60 | 13.8 |        
  102964 | 2021-09-12 19:50:59 |         MASTER-SAAO | (19h 47m 36.81s , +25d 47m 49.2s) |   C |    60 | 17.2 |        
  103178 | 2021-09-12 19:54:33 |      MASTER-Tavrida | (19h 46m 43.84s , +29d 27m 41.9s) |   C |    60 | 17.0 |        
  103523 | 2021-09-12 20:00:18 |      MASTER-Tavrida | (19h 55m 52.71s , +29d 28m 05.3s) |   C |    60 | 17.4 |        
  103906 | 2021-09-12 20:06:41 |         MASTER-SAAO | (19h 47m 31.68s , +25d 46m 42.0s) |   C |    60 | 17.7 |        
  104144 | 2021-09-12 20:10:39 |      MASTER-Tavrida | (20h 05m 32.22s , +25d 39m 47.0s) |   C |    60 | 19.0 |        
  104382 | 2021-09-12 20:14:37 |      MASTER-Tavrida | (19h 46m 43.97s , +29d 28m 07.1s) |   C |    60 | 17.3 |        
  104887 | 2021-09-12 20:23:02 |      MASTER-Tavrida | (19h 55m 53.45s , +29d 28m 18.4s) |   C |    60 | 17.5 |        
  105846 | 2021-09-12 20:39:01 |         MASTER-SAAO | (19h 47m 33.32s , +25d 47m 40.1s) |   C |    60 | 17.3 |        
  105941 | 2021-09-12 20:40:36 |      MASTER-Tavrida | (19h 56m 32.61s , +25d 39m 34.8s) |   C |    60 | 18.8 |        
  106100 | 2021-09-12 20:43:15 |      MASTER-Tavrida | (20h 05m 26.18s , +25d 37m 34.2s) |   C |    60 | 19.0 |        
  106337 | 2021-09-12 20:47:12 |      MASTER-Tavrida | (19h 46m 44.02s , +29d 25m 48.0s) |   C |    60 | 17.0 |        
  106417 | 2021-09-12 20:48:31 |      MASTER-Tavrida | (19h 55m 59.14s , +29d 27m 09.2s) |   C |    60 | 17.6 |        
  106865 | 2021-09-12 20:56:00 |      MASTER-Tavrida | (19h 56m 35.50s , +25d 38m 50.2s) |   C |    60 | 18.6 |        
  107092 | 2021-09-12 20:59:47 |      MASTER-Tavrida | (20h 05m 25.79s , +25d 38m 59.8s) |   C |    60 | 18.8 |        
  107171 | 2021-09-12 21:01:06 |      MASTER-Tavrida | (19h 42m 26.74s , +27d 30m 46.5s) |   C |    60 | 17.2 |        
  107250 | 2021-09-12 21:02:25 |      MASTER-Tavrida | (19h 51m 36.77s , +27d 31m 16.1s) |   C |    60 | 16.9 |        
  109359 | 2021-09-12 21:37:34 |      MASTER-Tavrida | (19h 59m 38.61s , +27d 31m 06.0s) |   C |    60 | 18.4 |        
  109518 | 2021-09-12 21:40:13 |      MASTER-Tavrida | (19h 42m 31.91s , +27d 31m 00.0s) |   C |    60 | 17.7 |        
  109597 | 2021-09-12 21:41:32 |      MASTER-Tavrida | (19h 51m 27.66s , +27d 30m 11.1s) |   C |    60 | 17.9 |        
  110482 | 2021-09-12 21:56:17 |      MASTER-Tavrida | (19h 59m 36.64s , +27d 28m 51.4s) |   C |    60 | 18.4 |        
  110641 | 2021-09-12 21:58:55 |      MASTER-Tavrida | (19h 42m 30.73s , +27d 30m 23.3s) |   C |    60 | 17.7 |        
  110720 | 2021-09-12 22:00:15 |      MASTER-Tavrida | (19h 51m 32.19s , +27d 29m 02.8s) |   C |    60 | 17.8 |        
  118236 | 2021-09-13 00:05:31 |   MASTER-Kislovodsk | (19h 59m 55.55s , +25d 50m 22.0s) |   C |    60 | 16.6 |        
  118236 | 2021-09-13 00:05:31 |   MASTER-Kislovodsk | (19h 55m 45.95s , +26d 12m 13.2s) |   C |    60 | 16.3 |        
  118316 | 2021-09-13 00:06:51 |   MASTER-Kislovodsk | (20h 02m 56.36s , +27d 43m 41.5s) |   C |    60 | 16.3 |        
  118316 | 2021-09-13 00:06:51 |   MASTER-Kislovodsk | (19h 58m 41.71s , +28d 05m 34.5s) |   C |    60 | 16.0 |        
  118397 | 2021-09-13 00:08:12 |   MASTER-Kislovodsk | (19h 45m 45.64s , +27d 44m 16.4s) |   C |    60 | 15.6 |        
  118397 | 2021-09-13 00:08:12 |   MASTER-Kislovodsk | (19h 41m 32.67s , +28d 06m 03.7s) |   C |    60 | 15.5 |        
  119037 | 2021-09-13 00:18:52 |   MASTER-Kislovodsk | (19h 49m 59.79s , +29d 36m 05.9s) |   C |    60 | 15.3 |        
  119198 | 2021-09-13 00:21:33 |   MASTER-Kislovodsk | (19h 59m 51.22s , +25d 48m 18.2s) |   C |    60 | 16.3 |        
  119198 | 2021-09-13 00:21:33 |   MASTER-Kislovodsk | (19h 55m 43.74s , +26d 10m 06.1s) |   C |    60 | 16.0 |        
  119278 | 2021-09-13 00:22:53 |   MASTER-Kislovodsk | (20h 03m 01.28s , +27d 43m 52.9s) |   C |    60 | 16.1 |        
  119278 | 2021-09-13 00:22:53 |   MASTER-Kislovodsk | (19h 58m 48.80s , +28d 05m 44.7s) |   C |    60 | 15.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 5029
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 GRB210911.64 (trigger No 653066130,19h 54m 14.40s , +27d 03m 36.0s, R=1) errorbox  9456 sec after notice time and 10747 sec after trigger time at 2021-09-11 18:14:32 UT, with upper limit up to  18.6 mag. The observations began at zenith distance = 18 deg. The sun  altitude  is -23.3 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the FERMI GRB210911.64 errorbox  29515 sec after notice time and 30806 sec after trigger time at 2021-09-11 23:48:52 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 73 deg. The sun  altitude  is -30.3 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB210911.64 errorbox  38239 sec after notice time and 39531 sec after trigger time at 2021-09-12 02:14:16 UT, with upper limit up to  17.5 mag. The observations began at zenith distance = 60 deg. The sun  altitude  is -48.1 deg. 

The galactic latitude b = -1 deg., longitude l = 64 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1717627

We obtain a following upper limits.  

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

   10777 | 2021-09-11 18:14:32 |      MASTER-Tavrida | (20h 01m 04.70s , +26d 07m 50.2s) |   C |    60 | 18.3 |        
   11647 | 2021-09-11 18:29:02 |      MASTER-Tavrida | (19h 52m 03.36s , +26d 05m 41.4s) |   C |    60 | 18.5 |        
   11726 | 2021-09-11 18:30:21 |      MASTER-Tavrida | (20h 00m 56.03s , +26d 07m 05.1s) |   C |    60 | 18.6 |        
   11936 | 2021-09-11 18:33:51 |      MASTER-Tavrida | (20h 04m 02.18s , +28d 01m 24.6s) |   C |    60 | 18.2 |        
   12094 | 2021-09-11 18:36:29 |      MASTER-Tavrida | (19h 46m 55.90s , +27d 59m 44.9s) |   C |    60 | 17.4 |        
   12410 | 2021-09-11 18:41:45 |      MASTER-Tavrida | (19h 51m 15.35s , +29d 54m 16.4s) |   C |    60 | 17.4 |        
   12648 | 2021-09-11 18:45:43 |      MASTER-Tavrida | (19h 51m 59.75s , +26d 05m 32.7s) |   C |    60 | 18.5 |        
   12727 | 2021-09-11 18:47:02 |      MASTER-Tavrida | (20h 00m 55.95s , +26d 06m 42.1s) |   C |    60 | 18.6 |        
   12806 | 2021-09-11 18:48:21 |      MASTER-Tavrida | (19h 54m 57.60s , +28d 00m 03.6s) |   C |    60 | 17.7 |        
   12886 | 2021-09-11 18:49:41 |      MASTER-Tavrida | (20h 03m 59.85s , +28d 01m 01.8s) |   C |    60 | 18.2 |        
   13054 | 2021-09-11 18:52:28 |      MASTER-Tavrida | (19h 46m 48.49s , +27d 58m 55.5s) |   C |    60 | 17.2 |        
   13530 | 2021-09-11 19:00:25 |      MASTER-Tavrida | (19h 51m 10.95s , +29d 52m 49.5s) |   C |    60 | 17.2 |        
   13769 | 2021-09-11 19:04:24 |      MASTER-Tavrida | (19h 55m 01.08s , +28d 00m 09.9s) |   C |    60 | 17.5 |        
   13848 | 2021-09-11 19:05:43 |      MASTER-Tavrida | (20h 03m 56.27s , +27d 59m 35.1s) |   C |    60 | 18.1 |        
   14007 | 2021-09-11 19:08:22 |      MASTER-Tavrida | (19h 46m 51.34s , +27d 59m 28.0s) |   C |    60 | 17.2 |        
   14481 | 2021-09-11 19:16:16 |      MASTER-Tavrida | (19h 51m 04.46s , +29d 54m 15.8s) |   C |    60 | 17.3 |        
   23916 | 2021-09-11 21:53:31 |      MASTER-Tavrida | (19h 48m 33.59s , +25d 36m 07.6s) |   C |    60 | 18.5 |        
   24923 | 2021-09-11 22:10:18 |      MASTER-Tavrida | (19h 48m 33.54s , +25d 34m 30.3s) |   C |    60 | 18.4 |        
   30837 | 2021-09-11 23:48:52 |   MASTER-Kislovodsk | (19h 59m 51.42s , +25d 49m 38.0s) |   C |    60 | 17.3 |        
   30837 | 2021-09-11 23:48:52 |   MASTER-Kislovodsk | (19h 55m 39.78s , +26d 11m 43.7s) |   C |    60 | 17.2 |        
   30917 | 2021-09-11 23:50:12 |   MASTER-Kislovodsk | (20h 03m 01.46s , +27d 44m 50.9s) |   C |    60 | 17.0 |        
   30917 | 2021-09-11 23:50:12 |   MASTER-Kislovodsk | (19h 58m 44.79s , +28d 06m 58.7s) |   C |    60 | 16.9 |        
   30997 | 2021-09-11 23:51:32 |   MASTER-Kislovodsk | (19h 45m 43.80s , +27d 43m 53.8s) |   C |    60 | 16.3 |        
   31397 | 2021-09-11 23:58:12 |   MASTER-Kislovodsk | (19h 50m 02.57s , +29d 38m 36.0s) |   C |    60 | 16.3 |        
   31558 | 2021-09-12 00:00:53 |   MASTER-Kislovodsk | (19h 43m 00.65s , +25d 50m 08.8s) |   C |    60 | 16.8 |        
   31718 | 2021-09-12 00:03:33 |   MASTER-Kislovodsk | (19h 54m 01.69s , +24d 18m 54.9s) |   C |    60 | 17.4 |        
   31799 | 2021-09-12 00:04:54 |   MASTER-Kislovodsk | (19h 59m 54.97s , +25d 50m 44.4s) |   C |    60 | 17.3 |        
   31799 | 2021-09-12 00:04:54 |   MASTER-Kislovodsk | (19h 55m 45.94s , +26d 12m 45.8s) |   C |    60 | 17.4 |        
   31879 | 2021-09-12 00:06:14 |   MASTER-Kislovodsk | (20h 02m 56.18s , +27d 43m 57.5s) |   C |    60 | 17.1 |        
   31879 | 2021-09-12 00:06:14 |   MASTER-Kislovodsk | (19h 58m 41.99s , +28d 06m 00.3s) |   C |    60 | 17.2 |        
   31959 | 2021-09-12 00:07:34 |   MASTER-Kislovodsk | (19h 45m 44.68s , +27d 44m 33.9s) |   C |    60 | 16.4 |        
   32360 | 2021-09-12 00:14:15 |   MASTER-Kislovodsk | (19h 49m 58.23s , +29d 38m 24.9s) |   C |    60 | 16.1 |        
   32681 | 2021-09-12 00:19:36 |   MASTER-Kislovodsk | (19h 54m 07.33s , +24d 18m 20.4s) |   C |    60 | 17.3 |        
   32761 | 2021-09-12 00:20:56 |   MASTER-Kislovodsk | (19h 59m 47.59s , +25d 49m 32.3s) |   C |    60 | 17.3 |        
   32761 | 2021-09-12 00:20:56 |   MASTER-Kislovodsk | (19h 55m 39.75s , +26d 11m 26.9s) |   C |    60 | 17.4 |        
   32841 | 2021-09-12 00:22:16 |   MASTER-Kislovodsk | (20h 02m 53.47s , +27d 44m 33.6s) |   C |    60 | 16.9 |        
   32841 | 2021-09-12 00:22:16 |   MASTER-Kislovodsk | (19h 58m 40.47s , +28d 06m 30.4s) |   C |    60 | 17.2 |        
   32922 | 2021-09-12 00:23:37 |   MASTER-Kislovodsk | (19h 45m 47.90s , +27d 43m 08.7s) |   C |    60 | 16.3 |        
   33323 | 2021-09-12 00:30:18 |   MASTER-Kislovodsk | (19h 50m 04.91s , +29d 36m 21.1s) |   C |    60 | 16.1 |        
   39561 | 2021-09-12 02:14:16 |         MASTER-OAFA | (19h 53m 24.73s , +26d 33m 11.9s) |   C |    60 | 16.8 |        
   39645 | 2021-09-12 02:15:40 |         MASTER-OAFA | (20h 02m 23.18s , +26d 31m 59.8s) |   C |    60 | 17.5 |        
   40461 | 2021-09-12 02:29:16 |         MASTER-OAFA | (19h 53m 23.45s , +26d 31m 11.8s) |   C |    60 | 17.0 |        
   40540 | 2021-09-12 02:30:35 |         MASTER-OAFA | (19h 56m 32.11s , +28d 27m 11.2s) |   C |    60 | 16.5 |        
   40622 | 2021-09-12 02:31:57 |         MASTER-OAFA | (20h 02m 20.53s , +26d 31m 24.0s) |   C |    60 | 17.4 |        
   40701 | 2021-09-12 02:33:16 |         MASTER-OAFA | (20h 05m 37.47s , +28d 26m 43.2s) |   C |    60 | 17.2 |        
   41579 | 2021-09-12 02:47:54 |         MASTER-OAFA | (19h 53m 30.78s , +26d 32m 40.7s) |   C |    60 | 16.4 |        
   41671 | 2021-09-12 02:49:26 |         MASTER-OAFA | (19h 56m 29.93s , +28d 26m 01.1s) |   C |    60 | 16.4 |        
   41757 | 2021-09-12 02:50:52 |         MASTER-OAFA | (20h 02m 17.43s , +26d 32m 49.9s) |   C |    60 | 17.1 |        
   41837 | 2021-09-12 02:52:12 |         MASTER-OAFA | (20h 05m 36.93s , +28d 25m 51.8s) |   C |    60 | 16.7 |        
   42600 | 2021-09-12 03:04:55 |         MASTER-OAFA | (19h 56m 34.86s , +28d 26m 36.4s) |   C |    60 | 16.5 |        
   42891 | 2021-09-12 03:09:46 |         MASTER-OAFA | (20h 05m 31.20s , +28d 26m 38.8s) |   C |    60 | 16.9 |        
   43517 | 2021-09-12 03:20:12 |         MASTER-OAFA | (19h 48m 28.28s , +28d 26m 36.7s) |   C |    60 | 14.4 |        
   44585 | 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 = 5001
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 GRB210911.64 (trigger No 653066130,19h 54m 14.40s , +27d 03m 36.0s, R=1) errorbox  9456 sec after notice time and 10747 sec after trigger time at 2021-09-11 18:14:32 UT, with upper limit up to  18.6 mag. The observations began at zenith distance = 18 deg. The sun  altitude  is -23.3 deg. 

The galactic latitude b = -1 deg., longitude l = 64 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1717622

We obtain a following upper limits.  

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

   10777 | 2021-09-11 18:14:32 |      MASTER-Tavrida | (20h 01m 04.70s , +26d 07m 50.2s) |   C |    60 | 18.3 |        
   11647 | 2021-09-11 18:29:02 |      MASTER-Tavrida | (19h 52m 03.36s , +26d 05m 41.4s) |   C |    60 | 18.5 |        
   11726 | 2021-09-11 18:30:21 |      MASTER-Tavrida | (20h 00m 56.03s , +26d 07m 05.1s) |   C |    60 | 18.6 |        
   11936 | 2021-09-11 18:33:51 |      MASTER-Tavrida | (20h 04m 02.18s , +28d 01m 24.6s) |   C |    60 | 18.2 |        
   12094 | 2021-09-11 18:36:29 |      MASTER-Tavrida | (19h 46m 55.90s , +27d 59m 44.9s) |   C |    60 | 17.4 |        
   12410 | 2021-09-11 18:41:45 |      MASTER-Tavrida | (19h 51m 15.35s , +29d 54m 16.4s) |   C |    60 | 17.4 |        
   12648 | 2021-09-11 18:45:43 |      MASTER-Tavrida | (19h 51m 59.75s , +26d 05m 32.7s) |   C |    60 | 18.5 |        
   12727 | 2021-09-11 18:47:02 |      MASTER-Tavrida | (20h 00m 55.95s , +26d 06m 42.1s) |   C |    60 | 18.6 |        
   12806 | 2021-09-11 18:48:21 |      MASTER-Tavrida | (19h 54m 57.60s , +28d 00m 03.6s) |   C |    60 | 17.7 |        
   12886 | 2021-09-11 18:49:41 |      MASTER-Tavrida | (20h 03m 59.85s , +28d 01m 01.8s) |   C |    60 | 18.2 |        
   13054 | 2021-09-11 18:52:28 |      MASTER-Tavrida | (19h 46m 48.49s , +27d 58m 55.5s) |   C |    60 | 17.2 |        
   13530 | 2021-09-11 19:00:25 |      MASTER-Tavrida | (19h 51m 10.95s , +29d 52m 49.5s) |   C |    60 | 17.2 |        
   13769 | 2021-09-11 19:04:24 |      MASTER-Tavrida | (19h 55m 01.08s , +28d 00m 09.9s) |   C |    60 | 17.5 |        
   13848 | 2021-09-11 19:05:43 |      MASTER-Tavrida | (20h 03m 56.27s , +27d 59m 35.1s) |   C |    60 | 18.1 |        
   14007 | 2021-09-11 19:08:22 |      MASTER-Tavrida | (19h 46m 51.34s , +27d 59m 28.0s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 5000
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 GRB210911.64 (trigger No 653066130,19h 54m 14.40s , +27d 03m 36.0s, R=1) errorbox  9456 sec after notice time and 10747 sec after trigger time at 2021-09-11 18:14:32 UT, with upper limit up to  18.6 mag. The observations began at zenith distance = 18 deg. The sun  altitude  is -23.3 deg. 

The galactic latitude b = -1 deg., longitude l = 64 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1717622

We obtain a following upper limits.  

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

   10777 | 2021-09-11 18:14:32 |      MASTER-Tavrida | (20h 01m 04.70s , +26d 07m 50.2s) |   C |    60 | 18.3 |        
   11647 | 2021-09-11 18:29:02 |      MASTER-Tavrida | (19h 52m 03.36s , +26d 05m 41.4s) |   C |    60 | 18.5 |        
   11726 | 2021-09-11 18:30:21 |      MASTER-Tavrida | (20h 00m 56.03s , +26d 07m 05.1s) |   C |    60 | 18.6 |        
   11936 | 2021-09-11 18:33:51 |      MASTER-Tavrida | (20h 04m 02.18s , +28d 01m 24.6s) |   C |    60 | 18.2 |        
   12094 | 2021-09-11 18:36:29 |      MASTER-Tavrida | (19h 46m 55.90s , +27d 59m 44.9s) |   C |    60 | 17.4 |        
   12410 | 2021-09-11 18:41:45 |      MASTER-Tavrida | (19h 51m 15.35s , +29d 54m 16.4s) |   C |    60 | 17.4 |        
   12648 | 2021-09-11 18:45:43 |      MASTER-Tavrida | (19h 51m 59.75s , +26d 05m 32.7s) |   C |    60 | 18.5 |        
   12727 | 2021-09-11 18:47:02 |      MASTER-Tavrida | (20h 00m 55.95s , +26d 06m 42.1s) |   C |    60 | 18.6 |        
   12806 | 2021-09-11 18:48:21 |      MASTER-Tavrida | (19h 54m 57.60s , +28d 00m 03.6s) |   C |    60 | 17.7 |        
   12886 | 2021-09-11 18:49:41 |      MASTER-Tavrida | (20h 03m 59.85s , +28d 01m 01.8s) |   C |    60 | 18.2 |        
   13054 | 2021-09-11 18:52:28 |      MASTER-Tavrida | (19h 46m 48.49s , +27d 58m 55.5s) |   C |    60 | 17.2 |        
   13530 | 2021-09-11 19:00:25 |      MASTER-Tavrida | (19h 51m 10.95s , +29d 52m 49.5s) |   C |    60 | 17.2 |        
   13769 | 2021-09-11 19:04:24 |      MASTER-Tavrida | (19h 55m 01.08s , +28d 00m 09.9s) |   C |    60 | 17.5 |        
   13848 | 2021-09-11 19:05:43 |      MASTER-Tavrida | (20h 03m 56.27s , +27d 59m 35.1s) |   C |    60 | 18.1 |        
   14007 | 2021-09-11 19:08:22 |      MASTER-Tavrida | (19h 46m 51.34s , +27d 59m 28.0s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4999
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 GRB210911.64 (trigger No 653066130,19h 54m 14.40s , +27d 03m 36.0s, R=1) errorbox  9456 sec after notice time and 10747 sec after trigger time at 2021-09-11 18:14:32 UT, with upper limit up to  18.6 mag. The observations began at zenith distance = 18 deg. The sun  altitude  is -23.3 deg. 

The galactic latitude b = -1 deg., longitude l = 64 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1717622

We obtain a following upper limits.  

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

   10777 | 2021-09-11 18:14:32 |      MASTER-Tavrida | (20h 01m 04.70s , +26d 07m 50.2s) |   C |    60 | 18.3 |        
   11647 | 2021-09-11 18:29:02 |      MASTER-Tavrida | (19h 52m 03.36s , +26d 05m 41.4s) |   C |    60 | 18.5 |        
   11726 | 2021-09-11 18:30:21 |      MASTER-Tavrida | (20h 00m 56.03s , +26d 07m 05.1s) |   C |    60 | 18.6 |        
   11936 | 2021-09-11 18:33:51 |      MASTER-Tavrida | (20h 04m 02.18s , +28d 01m 24.6s) |   C |    60 | 18.2 |        
   12094 | 2021-09-11 18:36:29 |      MASTER-Tavrida | (19h 46m 55.90s , +27d 59m 44.9s) |   C |    60 | 17.4 |        
   12410 | 2021-09-11 18:41:45 |      MASTER-Tavrida | (19h 51m 15.35s , +29d 54m 16.4s) |   C |    60 | 17.4 |        
   12648 | 2021-09-11 18:45:43 |      MASTER-Tavrida | (19h 51m 59.75s , +26d 05m 32.7s) |   C |    60 | 18.5 |        
   12727 | 2021-09-11 18:47:02 |      MASTER-Tavrida | (20h 00m 55.95s , +26d 06m 42.1s) |   C |    60 | 18.6 |        
   12806 | 2021-09-11 18:48:21 |      MASTER-Tavrida | (19h 54m 57.60s , +28d 00m 03.6s) |   C |    60 | 17.7 |        
   12886 | 2021-09-11 18:49:41 |      MASTER-Tavrida | (20h 03m 59.85s , +28d 01m 01.8s) |   C |    60 | 18.2 |        
   13054 | 2021-09-11 18:52:28 |      MASTER-Tavrida | (19h 46m 48.49s , +27d 58m 55.5s) |   C |    60 | 17.2 |        
   13530 | 2021-09-11 19:00:25 |      MASTER-Tavrida | (19h 51m 10.95s , +29d 52m 49.5s) |   C |    60 | 17.2 |        
   13769 | 2021-09-11 19:04:24 |      MASTER-Tavrida | (19h 55m 01.08s , +28d 00m 09.9s) |   C |    60 | 17.5 |        
   13848 | 2021-09-11 19:05:43 |      MASTER-Tavrida | (20h 03m 56.27s , +27d 59m 35.1s) |   C |    60 | 18.1 |        
   14007 | 2021-09-11 19:08:22 |      MASTER-Tavrida | (19h 46m 51.34s , +27d 59m 28.0s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



 

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