MASTER Net MASTER Database: GRB250212.03 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 GRB250212.03
Trignum 761014198
Trigger time 2025-02-12 00:49:53.93
Notice time 2025-02-12 00:59:26.044762
Coord, eb (18h 49m 55.20s , +52d 46m 48.0s) , 8.07
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
2775802 2025-02-12 00:59:43.184293 18h 49m 55.20s +52d 46m 48.0s FERMI 8.07 alert 761014198 5 115 alert
2775790 2025-02-12 00:52:01.427543 19h 08m 24.00s +50d 10m 48.0s FERMI 6.84 alert 761014198 23 112 alert
2775776 2025-02-12 00:50:55.890201 17h 33m 24.00s +32d 37m 00.1s FERMI 16.5333 alert 761014198 59 111 alert

DAYS:

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

Synchronous WFC images
Distance datetime coord2000 observatory camera links
82.5 2025-02-12 00:47:40.93 00h 00m 00.00s +00d 00m 00.0s OAFA 29008 Database OAFA
82.5 2025-02-12 00:48:22.956 00h 00m 00.00s +00d 00m 00.0s OAFA 111342 Database OAFA
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2025-02-12 00:49:53 (JD 2460718.534641)

Siderial time 12.828011 h

Ra 18:49:55.20 Dec 52:46:48.00
(282.480000d, 52.780000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 87.54 Azimuth: 182.74

Sun: Altitude: 15.56 Azimuth: 316.30

Moon: Altitude: -12.98 Azimuth: 143.27

Tunka

Object: Altitude: 74.99 Azimuth: 256.58

Sun: Altitude: 2.34 Azimuth: 295.96

Moon: Altitude: -0.80 Azimuth: 123.02

Kislovodsk

Object: Altitude: 35.98 Azimuth: 228.14

Sun: Altitude: -36.79 Azimuth: 252.32

Moon: Altitude: 36.69 Azimuth: 81.33

Tavrida

Object: Altitude: 32.21 Azimuth: 225.51

Sun: Altitude: -42.07 Azimuth: 243.75

Moon: Altitude: 42.42 Azimuth: 73.50

SAAO

Object: Altitude: -35.08 Azimuth: 225.02

Sun: Altitude: -35.60 Azimuth: 323.24

Moon: Altitude: 28.51 Azimuth: 141.59

IAC

Object: Altitude: -3.12 Azimuth: 200.76

Sun: Altitude: -74.00 Azimuth: 153.60

Moon: Altitude: 80.53 Azimuth: 348.13

Argentina

Object: Altitude: -65.68 Azimuth: 154.56

Sun: Altitude: -16.63 Azimuth: 61.45

Moon: Altitude: 16.90 Azimuth: 233.91

Mexico

Object: Altitude: 7.85 Azimuth: 148.79

Sun: Altitude: 2.16 Azimuth: 72.48

Moon: Altitude: 4.84 Azimuth: 250.69

Ural

Object: Altitude: 52.25 Azimuth: 246.48

Sun: Altitude: -23.02 Azimuth: 259.67

Moon: Altitude: 24.53 Azimuth: 87.39

Vostryakovo

Object: Altitude: 41.00 Azimuth: 233.28

Sun: Altitude: -34.88 Azimuth: 240.09

Moon: Altitude: 36.64 Azimuth: 68.73

Gal. latitude: 21.365127 Gal. longitude: 82.495490

Dist. to Sun: 76.147822

Dist. to Moon: 101.070036

Moon coord.: (140.343109 d, 19.016164 d)

Sun coord.: (325.542259 d, -13.787450 d)

Lunar disk: 0.996051

Lunar phase: 7.205773

Lunar bright limb: 315.513281

No SN in this field

2025-02-12 00:59:26 (JD 2460718.541273)

Siderial time 12.987613 h

Ra 18:49:55.20 Dec 52:46:48.00
(282.480000d, 52.780000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 87.18 Azimuth: 151.80

Sun: Altitude: 16.59 Azimuth: 318.46

Moon: Altitude: -13.87 Azimuth: 145.32

Tunka

Object: Altitude: 76.43 Azimuth: 257.14

Sun: Altitude: 3.66 Azimuth: 297.87

Moon: Altitude: -2.02 Azimuth: 124.84

Kislovodsk

Object: Altitude: 37.28 Azimuth: 228.95

Sun: Altitude: -35.13 Azimuth: 254.32

Moon: Altitude: 35.01 Azimuth: 83.07

Tavrida

Object: Altitude: 33.43 Azimuth: 226.44

Sun: Altitude: -40.53 Azimuth: 246.06

Moon: Altitude: 40.82 Azimuth: 75.49

SAAO

Object: Altitude: -33.65 Azimuth: 224.71

Sun: Altitude: -34.36 Azimuth: 320.84

Moon: Altitude: 27.30 Azimuth: 139.53

IAC

Object: Altitude: -2.35 Azimuth: 201.99

Sun: Altitude: -74.80 Azimuth: 161.70

Moon: Altitude: 80.68 Azimuth: 1.52

Argentina

Object: Altitude: -66.51 Azimuth: 157.50

Sun: Altitude: -18.40 Azimuth: 59.88

Moon: Altitude: 18.49 Azimuth: 232.34

Mexico

Object: Altitude: 6.81 Azimuth: 149.80

Sun: Altitude: 0.20 Azimuth: 73.73

Moon: Altitude: 6.70 Azimuth: 251.85

Ural

Object: Altitude: 53.45 Azimuth: 247.82

Sun: Altitude: -21.74 Azimuth: 261.76

Moon: Altitude: 23.25 Azimuth: 89.33

Vostryakovo

Object: Altitude: 42.10 Azimuth: 234.54

Sun: Altitude: -33.69 Azimuth: 242.50

Moon: Altitude: 35.39 Azimuth: 70.94

Gal. latitude: 21.365127 Gal. longitude: 82.495490

Dist. to Sun: 76.148526

Dist. to Moon: 101.069399

Moon coord.: (140.426475 d, 18.984606 d)

Sun coord.: (325.548781 d, -13.785250 d)

Lunar disk: 0.996129

Lunar phase: 7.134266

Lunar bright limb: 315.787915

No SN in this field

2025-02-12 01:59:26 (JD 2460718.582940)

Siderial time 13.990351 h

Ra 18:49:55.20 Dec 52:46:48.00
(282.480000d, 52.780000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 79.03 Azimuth: 109.61

Sun: Altitude: 22.01 Azimuth: 332.80

Moon: Altitude: -18.40 Azimuth: 158.82

Tunka

Object: Altitude: 85.51 Azimuth: 254.71

Sun: Altitude: 11.34 Azimuth: 310.36

Moon: Altitude: -8.98 Azimuth: 136.74

Kislovodsk

Object: Altitude: 45.75 Azimuth: 233.33

Sun: Altitude: -24.46 Azimuth: 265.79

Moon: Altitude: 24.42 Azimuth: 93.16

Tavrida

Object: Altitude: 41.51 Azimuth: 231.68

Sun: Altitude: -30.37 Azimuth: 258.92

Moon: Altitude: 30.51 Azimuth: 86.70

SAAO

Object: Altitude: -24.92 Azimuth: 221.83

Sun: Altitude: -25.28 Azimuth: 307.68

Moon: Altitude: 18.58 Azimuth: 127.99

IAC

Object: Altitude: 3.37 Azimuth: 209.04

Sun: Altitude: -72.68 Azimuth: 215.05

Moon: Altitude: 73.47 Azimuth: 58.08

Argentina

Object: Altitude: -69.02 Azimuth: 180.73

Sun: Altitude: -28.78 Azimuth: 48.69

Moon: Altitude: 27.65 Azimuth: 221.19

Mexico

Object: Altitude: 1.00 Azimuth: 156.80

Sun: Altitude: -12.33 Azimuth: 81.21

Moon: Altitude: 18.63 Azimuth: 258.83

Ural

Object: Altitude: 61.23 Azimuth: 256.56

Sun: Altitude: -13.58 Azimuth: 274.45

Moon: Altitude: 15.23 Azimuth: 101.16

Vostryakovo

Object: Altitude: 49.38 Azimuth: 242.35

Sun: Altitude: -25.71 Azimuth: 256.56

Moon: Altitude: 27.19 Azimuth: 83.87

Gal. latitude: 21.365127 Gal. longitude: 82.495490

Dist. to Sun: 76.152952

Dist. to Moon: 101.064833

Moon coord.: (140.949301 d, 18.785560 d)

Sun coord.: (325.589755 d, -13.771425 d)

Lunar disk: 0.996597

Lunar phase: 6.688511

Lunar bright limb: 317.632302

No SN in this field

2025-03-14 13:09:29 (JD 2460749.048252)

Siderial time 3.159721 h

Ra 18:49:55.20 Dec 52:46:48.00
(282.480000d, 52.780000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 17.20 Azimuth: 201.17

Sun: Altitude: -32.79 Azimuth: 134.20

Moon: Altitude: 30.58 Azimuth: 312.06

Tunka

Object: Altitude: 14.95 Azimuth: 186.47

Sun: Altitude: -19.15 Azimuth: 111.63

Moon: Altitude: 16.72 Azimuth: 290.04

Kislovodsk

Object: Altitude: 15.71 Azimuth: 151.14

Sun: Altitude: 20.71 Azimuth: 64.86

Moon: Altitude: -23.27 Azimuth: 243.47

Tavrida

Object: Altitude: 19.70 Azimuth: 146.71

Sun: Altitude: 25.57 Azimuth: 57.29

Moon: Altitude: -28.03 Azimuth: 235.64

SAAO

Object: Altitude: -35.82 Azimuth: 134.85

Sun: Altitude: 44.70 Azimuth: 123.82

Moon: Altitude: -45.71 Azimuth: 307.63

IAC

Object: Altitude: 33.56 Azimuth: 136.73

Sun: Altitude: 59.24 Azimuth: 357.87

Moon: Altitude: -60.15 Azimuth: 172.48

Argentina

Object: Altitude: 3.98 Azimuth: 169.22

Sun: Altitude: 31.51 Azimuth: 251.26

Moon: Altitude: -28.72 Azimuth: 72.02

Mexico

Object: Altitude: 62.55 Azimuth: 210.97

Sun: Altitude: -5.51 Azimuth: 269.53

Moon: Altitude: 7.20 Azimuth: 87.20

Ural

Object: Altitude: 23.12 Azimuth: 158.92

Sun: Altitude: 6.05 Azimuth: 75.99

Moon: Altitude: -8.38 Azimuth: 254.32

Vostryakovo

Object: Altitude: 27.24 Azimuth: 146.18

Sun: Altitude: 17.74 Azimuth: 57.17

Moon: Altitude: -19.97 Azimuth: 235.26

Gal. latitude: 21.365127 Gal. longitude: 82.495490

Dist. to Sun: 81.138280

Dist. to Moon: 98.214540

Moon coord.: (177.001910 d, 1.331195 d)

Sun coord.: (354.358467 d, -2.441031 d)

Lunar disk: 0.999375

Lunar phase: 2.865591

Lunar bright limb: 112.825504

No SN in this field
Recent coverage and limits telegrams

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

  ID = 12055
TYPE = 35
DAYS = 2


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the FERMI GRB 250212A ( Fermi GBM team, GCN 39294) errorbox  1 days 82194 sec after notice time and 1 days 82240 sec after trigger time at 2025-02-13 23:40:34 UT, with upper limit up to  15.5 mag. The observations began at zenith distance = 61 deg. The sun  altitude  is -48.2 deg. 

The galactic latitude b = 18 deg., longitude l = 81 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2775785

We obtain a following upper limits.  

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

  168670 | 2025-02-13 23:40:34 |   MASTER-Kislovodsk | (18h 35m 59.47s , +52d 34m 41.6s) |   C |    60 | 13.7 |        
  168750 | 2025-02-13 23:41:54 |   MASTER-Kislovodsk | (18h 49m 02.61s , +52d 33m 17.4s) |   C |    60 | 13.8 |        
  168830 | 2025-02-13 23:43:13 |   MASTER-Kislovodsk | (18h 38m 07.04s , +50d 39m 48.7s) |   C |    60 | 14.1 |        
  168909 | 2025-02-13 23:44:33 |   MASTER-Kislovodsk | (18h 50m 38.17s , +50d 38m 20.1s) |   C |    60 | 14.2 |        
  168989 | 2025-02-13 23:45:53 |   MASTER-Kislovodsk | (18h 34m 51.24s , +54d 28m 40.1s) |   C |    60 | 14.6 |        
  169269 | 2025-02-13 23:50:32 |   MASTER-Kislovodsk | (18h 48m 40.13s , +54d 29m 05.8s) |   C |    60 | 14.7 |        
  169349 | 2025-02-13 23:51:52 |   MASTER-Kislovodsk | (18h 35m 53.33s , +52d 34m 44.1s) |   C |    60 | 14.7 |        
  169429 | 2025-02-13 23:53:12 |   MASTER-Kislovodsk | (18h 49m 00.60s , +52d 35m 12.7s) |   C |    60 | 14.5 |        
  169508 | 2025-02-13 23:54:32 |   MASTER-Kislovodsk | (18h 38m 07.99s , +50d 40m 42.9s) |   C |    60 | 14.9 |        
  169588 | 2025-02-13 23:55:52 |   MASTER-Kislovodsk | (18h 50m 37.09s , +50d 39m 14.1s) |   C |    60 | 14.9 |        
  169668 | 2025-02-13 23:57:11 |   MASTER-Kislovodsk | (18h 34m 55.09s , +54d 27m 53.4s) |   C |    60 | 14.6 |        
  169748 | 2025-02-13 23:58:31 |   MASTER-Kislovodsk | (19h 00m 53.85s , +52d 32m 57.3s) |   C |    60 | 14.3 |        
  169828 | 2025-02-13 23:59:51 |   MASTER-Kislovodsk | (19h 14m 04.83s , +52d 34m 17.2s) |   C |    60 | 14.3 |        
  169907 | 2025-02-14 00:01:11 |   MASTER-Kislovodsk | (18h 48m 33.26s , +54d 28m 20.8s) |   C |    60 | 14.6 |        
  170194 | 2025-02-14 00:05:57 |   MASTER-Kislovodsk | (18h 35m 57.69s , +52d 35m 21.5s) |   C |    60 | 15.0 |        
  170274 | 2025-02-14 00:07:17 |   MASTER-Kislovodsk | (18h 49m 02.03s , +52d 33m 51.5s) |   C |    60 | 14.8 |        
  170353 | 2025-02-14 00:08:37 |   MASTER-Kislovodsk | (18h 38m 06.19s , +50d 40m 32.7s) |   C |    60 | 15.4 |        
  170433 | 2025-02-14 00:09:57 |   MASTER-Kislovodsk | (18h 50m 40.26s , +50d 41m 31.2s) |   C |    60 | 15.4 |        
  170513 | 2025-02-14 00:11:16 |   MASTER-Kislovodsk | (18h 34m 50.88s , +54d 28m 41.5s) |   C |    60 | 15.4 |        
  170593 | 2025-02-14 00:12:36 |   MASTER-Kislovodsk | (19h 00m 56.05s , +52d 35m 20.3s) |   C |    60 | 15.5 |        
  170672 | 2025-02-14 00:13:56 |   MASTER-Kislovodsk | (19h 14m 00.27s , +52d 33m 57.8s) |   C |    60 | 15.4 |        
  170752 | 2025-02-14 00:15:15 |   MASTER-Kislovodsk | (18h 48m 33.29s , +54d 29m 59.4s) |   C |    60 | 15.2 |        
  170832 | 2025-02-14 00:16:35 |   MASTER-Kislovodsk | (18h 35m 57.27s , +52d 35m 35.5s) |   C |    60 | 15.0 |        
  170911 | 2025-02-14 00:17:55 |   MASTER-Kislovodsk | (18h 49m 00.78s , +52d 34m 07.6s) |   C |    60 | 14.8 |        
  170991 | 2025-02-14 00:19:14 |   MASTER-Kislovodsk | (18h 38m 07.63s , +50d 41m 01.6s) |   C |    60 | 15.0 |        
  171071 | 2025-02-14 00:20:34 |   MASTER-Kislovodsk | (18h 50m 39.08s , +50d 41m 51.2s) |   C |    60 | 15.0 |        
  171150 | 2025-02-14 00:21:54 |   MASTER-Kislovodsk | (18h 34m 50.58s , +54d 29m 13.2s) |   C |    60 | 14.9 |        
  171230 | 2025-02-14 00:23:13 |   MASTER-Kislovodsk | (19h 00m 55.91s , +52d 35m 48.5s) |   C |    60 | 14.3 |        
  171310 | 2025-02-14 00:24:33 |   MASTER-Kislovodsk | (19h 13m 59.20s , +52d 34m 22.2s) |   C |    60 | 12.7 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12049
TYPE = 35
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the FERMI GRB 250212A ( Fermi GBM team, GCN 39294) errorbox  69293 sec after notice time and 69339 sec after trigger time at 2025-02-12 20:05:33 UT, with upper limit up to  15.8 mag. The observations began at zenith distance = 46 deg. The sun  altitude  is -40.0 deg. 

The galactic latitude b = 21 deg., longitude l = 82 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2775797

We obtain a following upper limits.  

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

   69341 | 2025-02-12 20:05:33 |        MASTER-Tunka | (17h 48m 16.26s , +54d 08m 37.4s) |   C |     1 | 15.6 |        
   69443 | 2025-02-12 20:07:16 |        MASTER-Tunka | (17h 47m 16.27s , +56d 03m 20.7s) |   C |     1 | 15.8 |        
   69694 | 2025-02-12 20:11:27 |        MASTER-Tunka | (18h 25m 56.36s , +61d 43m 25.6s) |   C |     1 | 15.3 |        
   69939 | 2025-02-12 20:15:31 |        MASTER-Tunka | (17h 48m 15.51s , +54d 10m 22.0s) |   C |     1 | 15.3 |        
   70145 | 2025-02-12 20:18:58 |        MASTER-Tunka | (17h 47m 19.31s , +56d 03m 48.4s) |   C |     1 | 15.6 |        
   70398 | 2025-02-12 20:23:10 |        MASTER-Tunka | (18h 25m 59.43s , +61d 42m 08.6s) |   C |     1 | 15.4 |        
   70557 | 2025-02-12 20:25:50 |        MASTER-Tunka | (17h 48m 21.23s , +54d 09m 57.1s) |   C |     1 | 15.6 |        
   70753 | 2025-02-12 20:29:06 |        MASTER-Tunka | (17h 47m 14.86s , +56d 04m 17.1s) |   C |     1 | 15.2 |        
   71065 | 2025-02-12 20:34:18 |        MASTER-Tunka | (18h 26m 02.66s , +61d 42m 45.1s) |   C |     1 | 15.3 |        
   71229 | 2025-02-12 20:37:02 |        MASTER-Tunka | (17h 48m 21.82s , +54d 10m 29.4s) |   C |     1 | 15.4 |        
   71244 | 2025-02-12 20:37:16 |        MASTER-Tunka | (18h 15m 35.48s , +54d 07m 19.0s) |   C |     1 | 15.2 |        
   71258 | 2025-02-12 20:37:30 |        MASTER-Tunka | (18h 16m 07.40s , +56d 01m 18.4s) |   C |     1 | 15.2 |        
   71268 | 2025-02-12 20:37:41 |        MASTER-Tunka | (17h 50m 20.80s , +52d 17m 18.1s) |   C |     1 | 15.4 |        
   71278 | 2025-02-12 20:37:51 |        MASTER-Tunka | (17h 53m 18.75s , +50d 21m 26.9s) |   C |     1 | 15.4 |        
   71291 | 2025-02-12 20:38:04 |        MASTER-Tunka | (18h 17m 53.75s , +57d 56m 40.2s) |   C |     1 | 14.6 |        
   71307 | 2025-02-12 20:38:19 |        MASTER-Tunka | (18h 21m 02.65s , +59d 49m 51.2s) |   C |     1 | 14.9 |        
   71400 | 2025-02-12 20:39:52 |        MASTER-Tunka | (17h 47m 19.76s , +56d 03m 54.7s) |   C |     1 | 15.1 |        
   71741 | 2025-02-12 20:45:34 |        MASTER-Tunka | (18h 26m 03.43s , +61d 43m 48.0s) |   C |     1 | 13.7 |        
   72033 | 2025-02-12 20:50:25 |        MASTER-Tunka | (17h 48m 21.88s , +54d 11m 51.0s) |   C |     1 | 12.4 |        
   72044 | 2025-02-12 20:50:36 |        MASTER-Tunka | (18h 15m 41.15s , +54d 07m 56.4s) |   C |     1 | 12.3 |        
   72053 | 2025-02-12 20:50:46 |        MASTER-Tunka | (18h 16m 10.34s , +56d 03m 20.5s) |   C |     1 | 12.1 |        
   72065 | 2025-02-12 20:50:57 |        MASTER-Tunka | (17h 50m 19.79s , +52d 17m 00.3s) |   C |     1 | 12.2 |        
   72075 | 2025-02-12 20:51:07 |        MASTER-Tunka | (17h 53m 17.59s , +50d 23m 48.8s) |   C |     1 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12048
TYPE = 35
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the FERMI GRB 250212A ( Fermi GBM team, GCN 39294) errorbox  69293 sec after notice time and 69339 sec after trigger time at 2025-02-12 20:05:33 UT, with upper limit up to  15.8 mag. The observations began at zenith distance = 46 deg. The sun  altitude  is -40.0 deg. 

The galactic latitude b = 21 deg., longitude l = 82 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2775797

We obtain a following upper limits.  

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

   69341 | 2025-02-12 20:05:33 |        MASTER-Tunka | (17h 48m 16.26s , +54d 08m 37.4s) |   C |     1 | 15.6 |        
   69443 | 2025-02-12 20:07:16 |        MASTER-Tunka | (17h 47m 16.27s , +56d 03m 20.7s) |   C |     1 | 15.8 |        
   69694 | 2025-02-12 20:11:27 |        MASTER-Tunka | (18h 25m 56.36s , +61d 43m 25.6s) |   C |     1 | 15.3 |        
   69939 | 2025-02-12 20:15:31 |        MASTER-Tunka | (17h 48m 15.51s , +54d 10m 22.0s) |   C |     1 | 15.3 |        
   70145 | 2025-02-12 20:18:58 |        MASTER-Tunka | (17h 47m 19.31s , +56d 03m 48.4s) |   C |     1 | 15.6 |        
   70398 | 2025-02-12 20:23:10 |        MASTER-Tunka | (18h 25m 59.43s , +61d 42m 08.6s) |   C |     1 | 15.4 |        
   70557 | 2025-02-12 20:25:50 |        MASTER-Tunka | (17h 48m 21.23s , +54d 09m 57.1s) |   C |     1 | 15.6 |        
   70753 | 2025-02-12 20:29:06 |        MASTER-Tunka | (17h 47m 14.86s , +56d 04m 17.1s) |   C |     1 | 15.2 |        
   71065 | 2025-02-12 20:34:18 |        MASTER-Tunka | (18h 26m 02.66s , +61d 42m 45.1s) |   C |     1 | 15.3 |        
   71229 | 2025-02-12 20:37:02 |        MASTER-Tunka | (17h 48m 21.82s , +54d 10m 29.4s) |   C |     1 | 15.4 |        
   71244 | 2025-02-12 20:37:16 |        MASTER-Tunka | (18h 15m 35.48s , +54d 07m 19.0s) |   C |     1 | 15.2 |        
   71258 | 2025-02-12 20:37:30 |        MASTER-Tunka | (18h 16m 07.40s , +56d 01m 18.4s) |   C |     1 | 15.2 |        
   71268 | 2025-02-12 20:37:41 |        MASTER-Tunka | (17h 50m 20.80s , +52d 17m 18.1s) |   C |     1 | 15.4 |        
   71278 | 2025-02-12 20:37:51 |        MASTER-Tunka | (17h 53m 18.75s , +50d 21m 26.9s) |   C |     1 | 15.4 |        
   71291 | 2025-02-12 20:38:04 |        MASTER-Tunka | (18h 17m 53.75s , +57d 56m 40.2s) |   C |     1 | 14.6 |        
   71307 | 2025-02-12 20:38:19 |        MASTER-Tunka | (18h 21m 02.65s , +59d 49m 51.2s) |   C |     1 | 14.9 |        
   71400 | 2025-02-12 20:39:52 |        MASTER-Tunka | (17h 47m 19.76s , +56d 03m 54.7s) |   C |     1 | 15.1 |        
   71741 | 2025-02-12 20:45:34 |        MASTER-Tunka | (18h 26m 03.43s , +61d 43m 48.0s) |   C |     1 | 13.7 |        
   72033 | 2025-02-12 20:50:25 |        MASTER-Tunka | (17h 48m 21.88s , +54d 11m 51.0s) |   C |     1 | 12.4 |        
   72044 | 2025-02-12 20:50:36 |        MASTER-Tunka | (18h 15m 41.15s , +54d 07m 56.4s) |   C |     1 | 12.3 |        
   72053 | 2025-02-12 20:50:46 |        MASTER-Tunka | (18h 16m 10.34s , +56d 03m 20.5s) |   C |     1 | 12.1 |        
   72065 | 2025-02-12 20:50:57 |        MASTER-Tunka | (17h 50m 19.79s , +52d 17m 00.3s) |   C |     1 | 12.2 |        
   72075 | 2025-02-12 20:51:07 |        MASTER-Tunka | (17h 53m 17.59s , +50d 23m 48.8s) |   C |     1 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12047
TYPE = 34
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the FERMI GRB 250212A ( Fermi GBM team, GCN 39294) errorbox  69293 sec after notice time and 69339 sec after trigger time at 2025-02-12 20:05:33 UT, with upper limit up to  15.8 mag. The observations began at zenith distance = 46 deg. The sun  altitude  is -40.0 deg. 

The galactic latitude b = 21 deg., longitude l = 82 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2775797

We obtain a following upper limits.  

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

   69341 | 2025-02-12 20:05:33 |        MASTER-Tunka | (17h 48m 16.26s , +54d 08m 37.4s) |   C |     1 | 15.6 |        
   69443 | 2025-02-12 20:07:16 |        MASTER-Tunka | (17h 47m 16.27s , +56d 03m 20.7s) |   C |     1 | 15.8 |        
   69694 | 2025-02-12 20:11:27 |        MASTER-Tunka | (18h 25m 56.36s , +61d 43m 25.6s) |   C |     1 | 15.3 |        
   69939 | 2025-02-12 20:15:31 |        MASTER-Tunka | (17h 48m 15.51s , +54d 10m 22.0s) |   C |     1 | 15.3 |        
   70145 | 2025-02-12 20:18:58 |        MASTER-Tunka | (17h 47m 19.31s , +56d 03m 48.4s) |   C |     1 | 15.6 |        
   70398 | 2025-02-12 20:23:10 |        MASTER-Tunka | (18h 25m 59.43s , +61d 42m 08.6s) |   C |     1 | 15.4 |        
   70557 | 2025-02-12 20:25:50 |        MASTER-Tunka | (17h 48m 21.23s , +54d 09m 57.1s) |   C |     1 | 15.6 |        
   70753 | 2025-02-12 20:29:06 |        MASTER-Tunka | (17h 47m 14.86s , +56d 04m 17.1s) |   C |     1 | 15.2 |        
   71065 | 2025-02-12 20:34:18 |        MASTER-Tunka | (18h 26m 02.66s , +61d 42m 45.1s) |   C |     1 | 15.3 |        
   71229 | 2025-02-12 20:37:02 |        MASTER-Tunka | (17h 48m 21.82s , +54d 10m 29.4s) |   C |     1 | 15.4 |        
   71244 | 2025-02-12 20:37:16 |        MASTER-Tunka | (18h 15m 35.48s , +54d 07m 19.0s) |   C |     1 | 15.2 |        
   71258 | 2025-02-12 20:37:30 |        MASTER-Tunka | (18h 16m 07.40s , +56d 01m 18.4s) |   C |     1 | 15.2 |        
   71268 | 2025-02-12 20:37:41 |        MASTER-Tunka | (17h 50m 20.80s , +52d 17m 18.1s) |   C |     1 | 15.4 |        
   71278 | 2025-02-12 20:37:51 |        MASTER-Tunka | (17h 53m 18.75s , +50d 21m 26.9s) |   C |     1 | 15.4 |        
   71291 | 2025-02-12 20:38:04 |        MASTER-Tunka | (18h 17m 53.75s , +57d 56m 40.2s) |   C |     1 | 14.6 |        
   71307 | 2025-02-12 20:38:19 |        MASTER-Tunka | (18h 21m 02.65s , +59d 49m 51.2s) |   C |     1 | 14.9 |        
   71400 | 2025-02-12 20:39:52 |        MASTER-Tunka | (17h 47m 19.76s , +56d 03m 54.7s) |   C |     1 | 15.1 |        
   71741 | 2025-02-12 20:45:34 |        MASTER-Tunka | (18h 26m 03.43s , +61d 43m 48.0s) |   C |     1 | 13.7 |        
   72033 | 2025-02-12 20:50:25 |        MASTER-Tunka | (17h 48m 21.88s , +54d 11m 51.0s) |   C |     1 | 12.4 |        
   72044 | 2025-02-12 20:50:36 |        MASTER-Tunka | (18h 15m 41.15s , +54d 07m 56.4s) |   C |     1 | 12.3 |        
   72053 | 2025-02-12 20:50:46 |        MASTER-Tunka | (18h 16m 10.34s , +56d 03m 20.5s) |   C |     1 | 12.1 |        
   72065 | 2025-02-12 20:50:57 |        MASTER-Tunka | (17h 50m 19.79s , +52d 17m 00.3s) |   C |     1 | 12.2 |        
   72075 | 2025-02-12 20:51:07 |        MASTER-Tunka | (17h 53m 17.59s , +50d 23m 48.8s) |   C |     1 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025