MASTER Net MASTER Database: GRB250523.60 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 GRB250523.60
Trignum 769703188
Trigger time 2025-05-23 14:26:23.31
Notice time 2025-05-23 14:35:55.229128
Coord, eb (03h 31m 26.40s , +55d 12m 36.0s) , 3.03
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
2879256 2025-05-23 14:36:00.826422 03h 31m 26.40s +55d 12m 36.0s FERMI 3.03 alert 769703188 8 115 alert
2879248 2025-05-23 14:29:15.068713 03h 39m 07.20s +54d 40m 12.0s FERMI 2.43 alert 769703188 14 112 alert
2879226 2025-05-23 14:27:47.29333 02h 19m 12.00s +57d 37m 01.2s FERMI 7.15 alert 769703188 32 111 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

2025-05-23 14:26:23 (JD 2460819.101655)

Siderial time 9.044585 h

Ra 03:31:26.40 Dec 55:12:36.00
( 52.860000d, 55.210000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 15.71 Azimuth: 175.67

Sun: Altitude: -17.85 Azimuth: 165.51

Moon: Altitude: -25.86 Azimuth: 218.48

Tunka

Object: Altitude: 20.21 Azimuth: 161.34

Sun: Altitude: -9.88 Azimuth: 143.14

Moon: Altitude: -31.03 Azimuth: 191.49

Kislovodsk

Object: Altitude: 35.75 Azimuth: 135.37

Sun: Altitude: 20.96 Azimuth: 98.97

Moon: Altitude: -22.10 Azimuth: 123.98

Tavrida

Object: Altitude: 40.83 Azimuth: 132.20

Sun: Altitude: 27.12 Azimuth: 92.87

Moon: Altitude: -16.35 Azimuth: 117.26

SAAO

Object: Altitude: -14.11 Azimuth: 147.49

Sun: Altitude: 12.90 Azimuth: 124.99

Moon: Altitude: -18.37 Azimuth: 86.08

IAC

Object: Altitude: 56.11 Azimuth: 150.59

Sun: Altitude: 69.23 Azimuth: 73.10

Moon: Altitude: 20.41 Azimuth: 86.44

Argentina

Object: Altitude: 0.56 Azimuth: 193.49

Sun: Altitude: 29.47 Azimuth: 214.23

Moon: Altitude: 48.17 Azimuth: 153.39

Mexico

Object: Altitude: 38.95 Azimuth: 221.76

Sun: Altitude: 24.92 Azimuth: 259.98

Moon: Altitude: 57.03 Azimuth: 313.13

Ural

Object: Altitude: 37.60 Azimuth: 135.86

Sun: Altitude: 13.35 Azimuth: 107.45

Moon: Altitude: -20.76 Azimuth: 143.95

Vostryakovo

Object: Altitude: 45.67 Azimuth: 125.86

Sun: Altitude: 24.99 Azimuth: 90.54

Moon: Altitude: -13.12 Azimuth: 122.93

Gal. latitude: -0.379369 Gal. longitude: 144.801747

Dist. to Sun: 35.019320

Dist. to Moon: 58.847576

Moon coord.: (11.227456 d, 6.547315 d)

Sun coord.: (60.278131 d, 20.639392 d)

Lunar disk: 0.176074

Lunar phase: 130.379892

Lunar bright limb: 68.364640

No SN in this field

2025-05-23 14:35:55 (JD 2460819.108275)

Siderial time 9.203909 h

Ra 03:31:26.40 Dec 55:12:36.00
( 52.860000d, 55.210000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 15.61 Azimuth: 177.08

Sun: Altitude: -18.20 Azimuth: 167.83

Moon: Altitude: -24.89 Azimuth: 220.77

Tunka

Object: Altitude: 19.75 Azimuth: 162.71

Sun: Altitude: -10.74 Azimuth: 145.23

Moon: Altitude: -30.67 Azimuth: 194.12

Kislovodsk

Object: Altitude: 34.55 Azimuth: 136.15

Sun: Altitude: 19.26 Azimuth: 100.51

Moon: Altitude: -23.42 Azimuth: 126.01

Tavrida

Object: Altitude: 39.58 Azimuth: 132.91

Sun: Altitude: 25.43 Azimuth: 94.50

Moon: Altitude: -17.76 Azimuth: 119.14

SAAO

Object: Altitude: -15.21 Azimuth: 146.65

Sun: Altitude: 11.23 Azimuth: 123.47

Moon: Altitude: -20.34 Azimuth: 84.83

IAC

Object: Altitude: 55.05 Azimuth: 149.07

Sun: Altitude: 67.21 Azimuth: 75.65

Moon: Altitude: 18.41 Azimuth: 87.61

Argentina

Object: Altitude: 1.01 Azimuth: 192.21

Sun: Altitude: 30.58 Azimuth: 211.99

Moon: Altitude: 47.21 Azimuth: 150.31

Mexico

Object: Altitude: 40.32 Azimuth: 221.73

Sun: Altitude: 26.94 Azimuth: 261.05

Moon: Altitude: 58.47 Azimuth: 316.47

Ural

Object: Altitude: 36.70 Azimuth: 137.15

Sun: Altitude: 12.12 Azimuth: 109.36

Moon: Altitude: -21.43 Azimuth: 146.29

Vostryakovo

Object: Altitude: 44.58 Azimuth: 127.02

Sun: Altitude: 23.64 Azimuth: 92.48

Moon: Altitude: -14.16 Azimuth: 125.02

Gal. latitude: -0.379369 Gal. longitude: 144.801747

Dist. to Sun: 35.018877

Dist. to Moon: 58.769025

Moon coord.: (11.313860 d, 6.592536 d)

Sun coord.: (60.284798 d, 20.640647 d)

Lunar disk: 0.175474

Lunar phase: 130.470208

Lunar bright limb: 68.383025

No SN in this field

2025-05-23 15:35:55 (JD 2460819.149942)

Siderial time 10.206647 h

Ra 03:31:26.40 Dec 55:12:36.00
( 52.860000d, 55.210000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 15.86 Azimuth: 185.97

Sun: Altitude: -18.99 Azimuth: 182.61

Moon: Altitude: -17.81 Azimuth: 234.25

Tunka

Object: Altitude: 17.68 Azimuth: 171.49

Sun: Altitude: -15.08 Azimuth: 158.93

Moon: Altitude: -27.02 Azimuth: 210.04

Kislovodsk

Object: Altitude: 27.40 Azimuth: 141.66

Sun: Altitude: 8.83 Azimuth: 110.20

Moon: Altitude: -30.85 Azimuth: 139.89

Tavrida

Object: Altitude: 32.08 Azimuth: 138.02

Sun: Altitude: 14.94 Azimuth: 104.44

Moon: Altitude: -25.91 Azimuth: 131.95

SAAO

Object: Altitude: -22.62 Azimuth: 142.11

Sun: Altitude: 0.16 Azimuth: 114.79

Moon: Altitude: -32.56 Azimuth: 76.31

IAC

Object: Altitude: 47.53 Azimuth: 142.48

Sun: Altitude: 54.16 Azimuth: 86.47

Moon: Altitude: 5.78 Azimuth: 94.71

Argentina

Object: Altitude: 2.80 Azimuth: 183.82

Sun: Altitude: 35.82 Azimuth: 196.41

Moon: Altitude: 39.34 Azimuth: 133.67

Mexico

Object: Altitude: 48.78 Azimuth: 219.87

Sun: Altitude: 39.72 Azimuth: 268.00

Moon: Altitude: 65.01 Azimuth: 343.94

Ural

Object: Altitude: 31.59 Azimuth: 145.46

Sun: Altitude: 4.77 Azimuth: 121.45

Moon: Altitude: -24.62 Azimuth: 161.56

Vostryakovo

Object: Altitude: 38.11 Azimuth: 134.51

Sun: Altitude: 15.23 Azimuth: 104.41

Moon: Altitude: -20.03 Azimuth: 138.79

Gal. latitude: -0.379369 Gal. longitude: 144.801747

Dist. to Sun: 35.016109

Dist. to Moon: 58.275180

Moon coord.: (11.858322 d, 6.876950 d)

Sun coord.: (60.326766 d, 20.648541 d)

Lunar disk: 0.171714

Lunar phase: 131.038926

Lunar bright limb: 68.501262

No SN in this field

2025-05-30 12:14:04 (JD 2460826.009769)

Siderial time 7.293238 h

Ra 03:31:26.40 Dec 55:12:36.00
( 52.860000d, 55.210000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 19.18 Azimuth: 160.47

Sun: Altitude: -6.35 Azimuth: 136.01

Moon: Altitude: 24.55 Azimuth: 100.78

Tunka

Object: Altitude: 27.30 Azimuth: 147.00

Sun: Altitude: 6.82 Azimuth: 116.94

Moon: Altitude: 39.85 Azimuth: 80.88

Kislovodsk

Object: Altitude: 49.90 Azimuth: 128.92

Sun: Altitude: 45.57 Azimuth: 76.00

Moon: Altitude: 71.40 Azimuth: 349.99

Tavrida

Object: Altitude: 55.31 Azimuth: 126.87

Sun: Altitude: 51.04 Azimuth: 66.83

Moon: Altitude: 68.33 Azimuth: 329.35

SAAO

Object: Altitude: -3.97 Azimuth: 158.56

Sun: Altitude: 30.66 Azimuth: 152.53

Moon: Altitude: 27.44 Azimuth: 205.72

IAC

Object: Altitude: 63.03 Azimuth: 176.97

Sun: Altitude: 77.33 Azimuth: 298.16

Moon: Altitude: 34.74 Azimuth: 257.37

Argentina

Object: Altitude: -7.11 Azimuth: 206.30

Sun: Altitude: 8.04 Azimuth: 238.07

Moon: Altitude: -33.69 Azimuth: 258.91

Mexico

Object: Altitude: 24.28 Azimuth: 218.73

Sun: Altitude: -1.50 Azimuth: 243.29

Moon: Altitude: -29.24 Azimuth: 204.47

Ural

Object: Altitude: 48.69 Azimuth: 122.13

Sun: Altitude: 32.20 Azimuth: 80.55

Moon: Altitude: 56.88 Azimuth: 22.71

Vostryakovo

Object: Altitude: 58.61 Azimuth: 113.66

Sun: Altitude: 44.09 Azimuth: 60.46

Moon: Altitude: 59.38 Azimuth: 345.28

Gal. latitude: -0.379369 Gal. longitude: 144.801747

Dist. to Sun: 35.105294

Dist. to Moon: 55.248086

Moon coord.: (117.821148 d, 25.365963 d)

Sun coord.: (67.287347 d, 21.805278 d)

Lunar disk: 0.154378

Lunar phase: 133.728638

Lunar bright limb: 276.710041

No SN in this field
Recent coverage and limits telegrams

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

  ID = 12614
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 250523A ( Fermi GBM team, GCN 40538) errorbox  21017 sec after notice time and 21056 sec after trigger time at 2025-05-23 20:17:20 UT, with upper limit up to  18.0 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -25.3 deg. 

The galactic latitude b = -0 deg., longitude l = 146 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2879245

We obtain a following upper limits.  

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

   21087 | 2025-05-23 20:17:20 |   MASTER-Kislovodsk | (03h 30m 46.09s , +56d 01m 35.6s) |   C |    60 | 17.1 |        
   21175 | 2025-05-23 20:18:48 |   MASTER-Kislovodsk | (03h 45m 14.18s , +56d 02m 05.0s) |   C |    60 | 17.0 |        
   21545 | 2025-05-23 20:24:58 |   MASTER-Kislovodsk | (03h 17m 09.58s , +56d 11m 13.2s) |   C |    60 | 17.1 |        
   21832 | 2025-05-23 20:29:45 |   MASTER-Kislovodsk | (03h 30m 55.15s , +56d 02m 50.3s) |   C |    60 | 17.4 |        
   21914 | 2025-05-23 20:31:07 |   MASTER-Kislovodsk | (03h 45m 09.43s , +56d 01m 45.0s) |   C |    60 | 17.3 |        
   22283 | 2025-05-23 20:37:16 |   MASTER-Kislovodsk | (03h 17m 14.73s , +56d 10m 35.4s) |   C |    60 | 17.4 |        
   22567 | 2025-05-23 20:42:00 |   MASTER-Kislovodsk | (03h 30m 07.47s , +56d 11m 07.2s) |   C |    60 | 17.5 |        
   22650 | 2025-05-23 20:43:23 |   MASTER-Kislovodsk | (03h 45m 12.07s , +56d 03m 49.6s) |   C |    60 | 17.2 |        
   23018 | 2025-05-23 20:49:30 |   MASTER-Kislovodsk | (03h 17m 22.59s , +56d 10m 37.7s) |   C |    60 | 17.4 |        
   23184 | 2025-05-23 20:52:17 |   MASTER-Kislovodsk | (03h 27m 50.56s , +58d 05m 57.8s) |   C |    60 | 17.5 |        
   23267 | 2025-05-23 20:53:40 |   MASTER-Kislovodsk | (03h 30m 10.02s , +56d 11m 21.3s) |   C |    60 | 17.4 |        
   23350 | 2025-05-23 20:55:03 |   MASTER-Kislovodsk | (03h 44m 32.25s , +56d 12m 15.9s) |   C |    60 | 17.1 |        
   23433 | 2025-05-23 20:56:25 |   MASTER-Kislovodsk | (03h 41m 20.67s , +58d 04m 13.7s) |   C |    60 | 17.2 |        
   23517 | 2025-05-23 20:57:49 |   MASTER-Kislovodsk | (03h 57m 20.41s , +57d 56m 03.5s) |   C |    60 | 16.9 |        
   23684 | 2025-05-23 21:00:36 |   MASTER-Kislovodsk | (03h 17m 22.22s , +56d 10m 58.3s) |   C |    60 | 17.5 |        
   23860 | 2025-05-23 21:03:33 |   MASTER-Kislovodsk | (03h 27m 48.61s , +58d 05m 22.2s) |   C |    60 | 17.5 |        
   23942 | 2025-05-23 21:04:55 |   MASTER-Kislovodsk | (03h 30m 14.69s , +56d 12m 23.1s) |   C |    60 | 17.4 |        
   24025 | 2025-05-23 21:06:18 |   MASTER-Kislovodsk | (03h 44m 41.86s , +56d 11m 19.6s) |   C |    60 | 17.2 |        
   24109 | 2025-05-23 21:07:42 |   MASTER-Kislovodsk | (03h 41m 25.66s , +58d 04m 17.2s) |   C |    60 | 17.0 |        
   24193 | 2025-05-23 21:09:06 |   MASTER-Kislovodsk | (03h 56m 39.27s , +58d 04m 39.7s) |   C |    60 | 17.0 |        
   24359 | 2025-05-23 21:11:52 |   MASTER-Kislovodsk | (03h 17m 25.84s , +56d 10m 43.1s) |   C |    60 | 17.2 |        
   24536 | 2025-05-23 21:14:49 |   MASTER-Kislovodsk | (03h 27m 52.64s , +58d 05m 26.7s) |   C |    60 | 17.4 |        
   24619 | 2025-05-23 21:16:11 |   MASTER-Kislovodsk | (03h 30m 18.46s , +56d 12m 28.5s) |   C |    60 | 17.3 |        
   24701 | 2025-05-23 21:17:34 |   MASTER-Kislovodsk | (03h 44m 45.55s , +56d 11m 23.7s) |   C |    60 | 17.1 |        
   24783 | 2025-05-23 21:18:56 |   MASTER-Kislovodsk | (03h 41m 28.60s , +58d 04m 23.8s) |   C |    60 | 16.9 |        
   24866 | 2025-05-23 21:20:19 |   MASTER-Kislovodsk | (03h 56m 41.12s , +58d 04m 21.4s) |   C |    60 | 17.0 |        
   25032 | 2025-05-23 21:23:05 |   MASTER-Kislovodsk | (03h 17m 29.05s , +56d 11m 01.4s) |   C |    60 | 17.1 |        
   25400 | 2025-05-23 21:29:13 |   MASTER-Kislovodsk | (03h 27m 53.52s , +58d 06m 21.8s) |   C |    60 | 16.9 |        
   25482 | 2025-05-23 21:30:35 |   MASTER-Kislovodsk | (03h 41m 37.73s , +58d 05m 12.4s) |   C |    60 | 16.9 |        
   25565 | 2025-05-23 21:31:57 |   MASTER-Kislovodsk | (03h 56m 37.52s , +58d 04m 04.6s) |   C |    60 | 17.1 |        
   26156 | 2025-05-23 21:41:48 |   MASTER-Kislovodsk | (03h 28m 04.81s , +58d 06m 14.0s) |   C |    60 | 17.4 |        
   26239 | 2025-05-23 21:43:12 |   MASTER-Kislovodsk | (03h 41m 33.23s , +58d 05m 02.6s) |   C |    60 | 17.1 |        
   26322 | 2025-05-23 21:44:34 |   MASTER-Kislovodsk | (03h 56m 42.14s , +58d 05m 53.9s) |   C |    60 | 17.0 |        
   26899 | 2025-05-23 21:54:12 |   MASTER-Kislovodsk | (03h 28m 04.81s , +58d 05m 50.5s) |   C |    60 | 17.3 |        
   26981 | 2025-05-23 21:55:34 |   MASTER-Kislovodsk | (03h 41m 41.31s , +58d 04m 17.0s) |   C |    60 | 17.2 |        
   27064 | 2025-05-23 21:56:57 |   MASTER-Kislovodsk | (03h 56m 49.41s , +58d 05m 27.2s) |   C |    60 | 17.1 |        
   27856 | 2025-05-23 22:10:08 |   MASTER-Kislovodsk | (03h 20m 37.43s , +54d 16m 52.6s) |   C |    60 | 17.2 |        
   27941 | 2025-05-23 22:11:34 |   MASTER-Kislovodsk | (03h 34m 25.60s , +54d 17m 01.7s) |   C |    60 | 17.2 |        
   28528 | 2025-05-23 22:21:21 |   MASTER-Kislovodsk | (03h 20m 39.22s , +54d 17m 09.8s) |   C |    60 | 17.2 |        
   28609 | 2025-05-23 22:22:42 |   MASTER-Kislovodsk | (03h 34m 27.34s , +54d 17m 19.6s) |   C |    60 | 17.2 |        
   29195 | 2025-05-23 22:32:28 |   MASTER-Kislovodsk | (03h 20m 42.07s , +54d 17m 28.6s) |   C |    60 | 15.0 |        
   29280 | 2025-05-23 22:33:53 |   MASTER-Kislovodsk | (03h 34m 30.19s , +54d 17m 12.4s) |   C |    60 | 15.4 |        
   29878 | 2025-05-23 22:43:51 |   MASTER-Kislovodsk | (03h 20m 45.40s , +54d 17m 48.7s) |   C |    60 | 16.5 |        
   29963 | 2025-05-23 22:45:16 |   MASTER-Kislovodsk | (03h 34m 33.06s , +54d 17m 58.0s) |   C |    60 | 15.8 |        
   30549 | 2025-05-23 22:55:02 |   MASTER-Kislovodsk | (03h 20m 47.78s , +54d 18m 09.9s) |   C |    60 | 15.9 |        
   30638 | 2025-05-23 22:56:30 |   MASTER-Kislovodsk | (03h 34m 34.22s , +54d 17m 49.0s) |   C |    60 | 16.6 |        
   31238 | 2025-05-23 23:06:30 |   MASTER-Kislovodsk | (03h 20m 49.25s , +54d 18m 32.8s) |   C |    60 | 17.3 |        
   31322 | 2025-05-23 23:07:55 |   MASTER-Kislovodsk | (03h 34m 37.54s , +54d 18m 28.8s) |   C |    60 | 17.0 |        
   31499 | 2025-05-23 23:10:52 |   MASTER-Kislovodsk | (03h 25m 13.35s , +52d 26m 25.2s) |   C |    60 | 16.8 |        
   31584 | 2025-05-23 23:12:17 |   MASTER-Kislovodsk | (03h 36m 52.19s , +52d 26m 22.1s) |   C |    60 | 16.2 |        
   31679 | 2025-05-23 23:13:52 |   MASTER-Kislovodsk | (03h 50m 05.88s , +52d 24m 58.8s) |   C |    60 | 16.4 |        
   31766 | 2025-05-23 23:15:19 |   MASTER-Kislovodsk | (03h 46m 58.76s , +54d 18m 17.3s) |   C |    60 | 17.1 |        
   31851 | 2025-05-23 23:16:43 |   MASTER-Kislovodsk | (04h 00m 37.99s , +54d 19m 33.4s) |   C |    60 | 15.8 |        
   32022 | 2025-05-23 23:19:34 |   MASTER-Kislovodsk | (03h 40m 33.32s , +50d 31m 28.3s) |   C |    60 | 15.7 |        
   32191 | 2025-05-23 23:22:23 |   MASTER-Kislovodsk | (03h 25m 15.05s , +52d 26m 00.3s) |   C |    60 | 16.6 |        
   32274 | 2025-05-23 23:23:47 |   MASTER-Kislovodsk | (03h 36m 55.99s , +52d 24m 40.8s) |   C |    60 | 16.8 |        
   32360 | 2025-05-23 23:25:13 |   MASTER-Kislovodsk | (03h 50m 07.43s , +52d 24m 19.5s) |   C |    60 | 17.1 |        
   32444 | 2025-05-23 23:26:37 |   MASTER-Kislovodsk | (03h 46m 58.50s , +54d 20m 11.5s) |   C |    60 | 17.3 |        
   32530 | 2025-05-23 23:28:03 |   MASTER-Kislovodsk | (04h 00m 40.80s , +54d 18m 19.5s) |   C |    60 | 17.2 |        
   32700 | 2025-05-23 23:30:53 |   MASTER-Kislovodsk | (03h 40m 35.62s , +50d 31m 49.4s) |   C |    60 | 16.3 |        
   32873 | 2025-05-23 23:33:45 |   MASTER-Kislovodsk | (03h 25m 16.35s , +52d 26m 26.8s) |   C |    60 | 14.9 |        
   32960 | 2025-05-23 23:35:13 |   MASTER-Kislovodsk | (03h 36m 59.31s , +52d 25m 04.3s) |   C |    60 | 14.9 |        
   33047 | 2025-05-23 23:36:40 |   MASTER-Kislovodsk | (03h 50m 10.97s , +52d 24m 40.8s) |   C |    60 | 15.4 |        
   33133 | 2025-05-23 23:38:06 |   MASTER-Kislovodsk | (03h 47m 00.21s , +54d 20m 34.4s) |   C |    60 | 16.3 |        
   33222 | 2025-05-23 23:39:34 |   MASTER-Kislovodsk | (04h 00m 42.45s , +54d 18m 32.8s) |   C |    60 | 16.7 |        
   34125 | 2025-05-23 23:54:38 |   MASTER-Kislovodsk | (03h 40m 44.00s , +50d 31m 44.3s) |   C |    60 | 16.3 |        
   34297 | 2025-05-23 23:57:29 |   MASTER-Kislovodsk | (03h 25m 16.75s , +52d 26m 27.0s) |   C |    60 | 17.2 |        
   34381 | 2025-05-23 23:58:54 |   MASTER-Kislovodsk | (03h 37m 07.09s , +52d 27m 30.1s) |   C |    60 | 17.1 |        
   34476 | 2025-05-24 00:00:29 |   MASTER-Kislovodsk | (03h 50m 08.15s , +52d 26m 18.6s) |   C |    60 | 17.0 |        
   34572 | 2025-05-24 00:02:05 |   MASTER-Kislovodsk | (03h 47m 03.79s , +54d 21m 26.2s) |   C |    60 | 17.5 |        
   34661 | 2025-05-24 00:03:33 |   MASTER-Kislovodsk | (04h 00m 50.33s , +54d 19m 58.0s) |   C |    60 | 16.9 |        
   34842 | 2025-05-24 00:06:35 |   MASTER-Kislovodsk | (03h 40m 47.71s , +50d 31m 59.9s) |   C |    60 | 16.9 |        
   35023 | 2025-05-24 00:09:35 |   MASTER-Kislovodsk | (03h 25m 19.60s , +52d 26m 39.5s) |   C |    60 | 17.0 |        
   35114 | 2025-05-24 00:11:07 |   MASTER-Kislovodsk | (03h 37m 11.03s , +52d 27m 56.3s) |   C |    60 | 17.0 |        
   35206 | 2025-05-24 00:12:39 |   MASTER-Kislovodsk | (03h 50m 11.12s , +52d 26m 46.8s) |   C |    60 | 16.8 |        
   35303 | 2025-05-24 00:14:16 |   MASTER-Kislovodsk | (03h 47m 04.79s , +54d 21m 55.7s) |   C |    60 | 16.9 |        
   35394 | 2025-05-24 00:15:47 |   MASTER-Kislovodsk | (04h 00m 53.40s , +54d 20m 25.0s) |   C |    60 | 16.6 |        
   35620 | 2025-05-24 00:19:33 |   MASTER-Kislovodsk | (03h 40m 48.19s , +50d 32m 49.1s) |   C |    60 | 16.3 |        
   35812 | 2025-05-24 00:22:45 |   MASTER-Kislovodsk | (03h 25m 21.78s , +52d 27m 38.6s) |   C |    60 | 16.3 |        
   35925 | 2025-05-24 00:24:37 |   MASTER-Kislovodsk | (03h 37m 12.36s , +52d 28m 28.2s) |   C |    60 | 16.3 |        
   36028 | 2025-05-24 00:26:21 |   MASTER-Kislovodsk | (03h 50m 12.43s , +52d 27m 21.8s) |   C |    60 | 15.9 |        
   36126 | 2025-05-24 00:27:59 |   MASTER-Kislovodsk | (03h 47m 07.21s , +54d 22m 30.8s) |   C |    60 | 16.1 |        
   36236 | 2025-05-24 00:29:49 |   MASTER-Kislovodsk | (04h 00m 54.98s , +54d 21m 00.6s) |   C |    60 | 15.3 |        
  107674 | 2025-05-24 20:20:27 |   MASTER-Kislovodsk | (03h 30m 53.18s , +56d 02m 22.5s) |   C |    60 | 17.5 |        
  108113 | 2025-05-24 20:27:46 |   MASTER-Kislovodsk | (03h 45m 17.91s , +56d 02m 05.8s) |   C |    60 | 17.3 |        
  108359 | 2025-05-24 20:31:52 |   MASTER-Kislovodsk | (03h 30m 57.05s , +56d 03m 16.0s) |   C |    60 | 17.4 |        
  108811 | 2025-05-24 20:39:24 |   MASTER-Kislovodsk | (03h 45m 13.63s , +56d 03m 41.9s) |   C |    60 | 17.3 |        
  109061 | 2025-05-24 20:43:33 |   MASTER-Kislovodsk | (03h 30m 16.08s , +56d 10m 49.8s) |   C |    60 | 17.6 |        
  109502 | 2025-05-24 20:50:54 |   MASTER-Kislovodsk | (03h 44m 35.76s , +56d 09m 49.6s) |   C |    60 | 17.4 |        
  109752 | 2025-05-24 20:55:05 |   MASTER-Kislovodsk | (03h 30m 13.28s , +56d 11m 52.7s) |   C |    60 | 17.7 |        
  110201 | 2025-05-24 21:02:34 |   MASTER-Kislovodsk | (03h 44m 33.79s , +56d 09m 37.9s) |   C |    60 | 17.4 |        
  110452 | 2025-05-24 21:06:44 |   MASTER-Kislovodsk | (03h 30m 18.26s , +56d 10m 03.3s) |   C |    60 | 17.7 |        
  110894 | 2025-05-24 21:14:06 |   MASTER-Kislovodsk | (03h 44m 39.07s , +56d 10m 38.2s) |   C |    60 | 17.4 |        
  111144 | 2025-05-24 21:18:16 |   MASTER-Kislovodsk | (03h 30m 17.92s , +56d 09m 49.9s) |   C |    60 | 17.8 |        
  111590 | 2025-05-24 21:25:43 |   MASTER-Kislovodsk | (03h 44m 44.50s , +56d 11m 26.2s) |   C |    60 | 17.4 |        
  111756 | 2025-05-24 21:28:29 |   MASTER-Kislovodsk | (03h 17m 27.19s , +56d 11m 07.9s) |   C |    60 | 17.6 |        
  112124 | 2025-05-24 21:34:37 |   MASTER-Kislovodsk | (03h 28m 02.55s , +58d 04m 28.7s) |   C |    60 | 17.7 |        
  112494 | 2025-05-24 21:40:47 |   MASTER-Kislovodsk | (03h 17m 35.87s , +56d 12m 14.4s) |   C |    60 | 17.7 |        
  112862 | 2025-05-24 21:46:55 |   MASTER-Kislovodsk | (03h 28m 07.15s , +58d 05m 14.6s) |   C |    60 | 17.7 |        
  113231 | 2025-05-24 21:53:04 |   MASTER-Kislovodsk | (03h 17m 35.85s , +56d 12m 30.2s) |   C |    60 | 17.8 |        
  113601 | 2025-05-24 21:59:14 |   MASTER-Kislovodsk | (03h 28m 04.40s , +58d 05m 30.2s) |   C |    60 | 17.8 |        
  113975 | 2025-05-24 22:05:28 |   MASTER-Kislovodsk | (03h 17m 37.08s , +56d 10m 57.2s) |   C |    60 | 17.8 |        
  114058 | 2025-05-24 22:06:51 |   MASTER-Kislovodsk | (03h 41m 46.09s , +58d 06m 07.8s) |   C |    60 | 17.5 |        
  114140 | 2025-05-24 22:08:13 |   MASTER-Kislovodsk | (03h 56m 53.14s , +58d 04m 32.3s) |   C |    60 | 17.4 |        
  114306 | 2025-05-24 22:10:59 |   MASTER-Kislovodsk | (03h 28m 09.50s , +58d 05m 46.5s) |   C |    60 | 17.6 |        
  114390 | 2025-05-24 22:12:23 |   MASTER-Kislovodsk | (03h 20m 45.18s , +54d 18m 04.3s) |   C |    60 | 17.6 |        
  114473 | 2025-05-24 22:13:46 |   MASTER-Kislovodsk | (03h 34m 19.16s , +54d 16m 48.7s) |   C |    60 | 17.6 |        
  114639 | 2025-05-24 22:16:32 |   MASTER-Kislovodsk | (03h 17m 41.67s , +56d 12m 45.8s) |   C |    60 | 17.9 |        
  114721 | 2025-05-24 22:17:54 |   MASTER-Kislovodsk | (03h 41m 49.73s , +58d 04m 39.3s) |   C |    60 | 17.6 |        
  114814 | 2025-05-24 22:19:27 |   MASTER-Kislovodsk | (03h 56m 58.82s , +58d 05m 54.2s) |   C |    60 | 17.4 |        
  114983 | 2025-05-24 22:22:16 |   MASTER-Kislovodsk | (03h 28m 10.03s , +58d 07m 02.7s) |   C |    60 | 17.8 |        
  115066 | 2025-05-24 22:23:39 |   MASTER-Kislovodsk | (03h 20m 48.19s , +54d 18m 22.3s) |   C |    60 | 17.5 |        
  115149 | 2025-05-24 22:25:02 |   MASTER-Kislovodsk | (03h 34m 23.17s , +54d 17m 04.7s) |   C |    60 | 17.6 |        
  115316 | 2025-05-24 22:27:49 |   MASTER-Kislovodsk | (03h 17m 45.77s , +56d 13m 11.3s) |   C |    60 | 17.9 |        
  115399 | 2025-05-24 22:29:12 |   MASTER-Kislovodsk | (03h 41m 52.00s , +58d 04m 55.1s) |   C |    60 | 17.6 |        
  115483 | 2025-05-24 22:30:36 |   MASTER-Kislovodsk | (03h 57m 03.07s , +58d 06m 07.1s) |   C |    60 | 17.5 |        
  115648 | 2025-05-24 22:33:20 |   MASTER-Kislovodsk | (03h 28m 14.27s , +58d 07m 20.3s) |   C |    60 | 18.0 |        
  115731 | 2025-05-24 22:34:44 |   MASTER-Kislovodsk | (03h 20m 49.98s , +54d 18m 39.1s) |   C |    60 | 17.6 |        
  115813 | 2025-05-24 22:36:06 |   MASTER-Kislovodsk | (03h 34m 26.04s , +54d 17m 20.6s) |   C |    60 | 17.7 |        
  116061 | 2025-05-24 22:40:14 |   MASTER-Kislovodsk | (03h 41m 58.48s , +58d 06m 49.5s) |   C |    60 | 17.6 |        
  116143 | 2025-05-24 22:41:36 |   MASTER-Kislovodsk | (03h 56m 59.51s , +58d 05m 50.3s) |   C |    60 | 17.5 |        
  116401 | 2025-05-24 22:45:54 |   MASTER-Kislovodsk | (03h 20m 52.67s , +54d 18m 16.0s) |   C |    60 | 17.7 |        
  116484 | 2025-05-24 22:47:17 |   MASTER-Kislovodsk | (03h 34m 31.83s , +54d 19m 17.3s) |   C |    60 | 17.8 |        
  116751 | 2025-05-24 22:51:44 |   MASTER-Kislovodsk | (03h 41m 56.60s , +58d 06m 27.7s) |   C |    60 | 17.7 |        
  116834 | 2025-05-24 22:53:07 |   MASTER-Kislovodsk | (03h 57m 02.65s , +58d 07m 06.6s) |   C |    60 | 17.5 |        
  117083 | 2025-05-24 22:57:16 |   MASTER-Kislovodsk | (03h 20m 55.09s , +54d 18m 36.6s) |   C |    60 | 17.7 |        
  117167 | 2025-05-24 22:58:40 |   MASTER-Kislovodsk | (03h 34m 34.32s , +54d 19m 56.8s) |   C |    60 | 17.8 |        
  117426 | 2025-05-24 23:02:59 |   MASTER-Kislovodsk | (03h 41m 59.59s , +58d 06m 46.8s) |   C |    60 | 17.7 |        
  117508 | 2025-05-24 23:04:21 |   MASTER-Kislovodsk | (03h 57m 06.77s , +58d 07m 23.4s) |   C |    60 | 17.5 |        
  117760 | 2025-05-24 23:08:33 |   MASTER-Kislovodsk | (03h 20m 57.35s , +54d 19m 00.3s) |   C |    60 | 17.8 |        
  117845 | 2025-05-24 23:09:58 |   MASTER-Kislovodsk | (03h 34m 36.63s , +54d 20m 09.3s) |   C |    60 | 17.8 |        
  118175 | 2025-05-24 23:15:28 |   MASTER-Kislovodsk | (03h 25m 13.64s , +52d 25m 53.0s) |   C |    60 | 17.6 |        
  118427 | 2025-05-24 23:19:40 |   MASTER-Kislovodsk | (03h 46m 57.94s , +54d 18m 42.7s) |   C |    60 | 17.9 |        
  118509 | 2025-05-24 23:21:02 |   MASTER-Kislovodsk | (04h 00m 43.08s , +54d 19m 46.7s) |   C |    60 | 17.5 |        
  118859 | 2025-05-24 23:26:52 |   MASTER-Kislovodsk | (03h 25m 09.65s , +52d 25m 17.6s) |   C |    60 | 17.6 |        
  119113 | 2025-05-24 23:31:06 |   MASTER-Kislovodsk | (03h 47m 00.45s , +54d 18m 41.5s) |   C |    60 | 18.0 |        
  119198 | 2025-05-24 23:32:30 |   MASTER-Kislovodsk | (04h 00m 43.70s , +54d 19m 55.7s) |   C |    60 | 17.5 |        
  119543 | 2025-05-24 23:38:16 |   MASTER-Kislovodsk | (03h 25m 13.73s , +52d 25m 41.8s) |   C |    60 | 17.6 |        
  120481 | 2025-05-24 23:53:53 |   MASTER-Kislovodsk | (03h 47m 07.27s , +54d 20m 24.0s) |   C |    60 | 17.9 |        
  120565 | 2025-05-24 23:55:18 |   MASTER-Kislovodsk | (04h 00m 42.60s , +54d 18m 57.2s) |   C |    60 | 17.4 |        
  120734 | 2025-05-24 23:58:07 |   MASTER-Kislovodsk | (03h 25m 16.98s , +52d 28m 07.3s) |   C |    60 | 17.5 |        
  121493 | 2025-05-25 00:10:46 |   MASTER-Kislovodsk | (03h 47m 10.16s , +54d 21m 34.2s) |   C |    60 | 17.2 |        
  121578 | 2025-05-25 00:12:10 |   MASTER-Kislovodsk | (04h 00m 46.93s , +54d 20m 03.5s) |   C |    60 | 16.8 |        
  121747 | 2025-05-25 00:15:00 |   MASTER-Kislovodsk | (03h 25m 19.44s , +52d 29m 13.6s) |   C |    60 | 16.7 |        
  122163 | 2025-05-25 00:21:56 |   MASTER-Kislovodsk | (03h 47m 12.29s , +54d 21m 51.1s) |   C |    60 | 16.3 |        
  122257 | 2025-05-25 00:23:30 |   MASTER-Kislovodsk | (04h 00m 49.35s , +54d 20m 23.3s) |   C |    60 | 15.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12612
TYPE = 35
DAYS = 1


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 250523A ( Fermi GBM team, GCN 40538) errorbox  21017 sec after notice time and 21056 sec after trigger time at 2025-05-23 20:17:20 UT, with upper limit up to  17.5 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -25.3 deg. 

The galactic latitude b = -0 deg., longitude l = 146 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2879245

We obtain a following upper limits.  

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

   21087 | 2025-05-23 20:17:20 |   MASTER-Kislovodsk | (03h 30m 46.09s , +56d 01m 35.6s) |   C |    60 | 17.1 |        
   21175 | 2025-05-23 20:18:48 |   MASTER-Kislovodsk | (03h 45m 14.18s , +56d 02m 05.0s) |   C |    60 | 17.0 |        
   21545 | 2025-05-23 20:24:58 |   MASTER-Kislovodsk | (03h 17m 09.58s , +56d 11m 13.2s) |   C |    60 | 17.1 |        
   21832 | 2025-05-23 20:29:45 |   MASTER-Kislovodsk | (03h 30m 55.15s , +56d 02m 50.3s) |   C |    60 | 17.4 |        
   21914 | 2025-05-23 20:31:07 |   MASTER-Kislovodsk | (03h 45m 09.43s , +56d 01m 45.0s) |   C |    60 | 17.3 |        
   22283 | 2025-05-23 20:37:16 |   MASTER-Kislovodsk | (03h 17m 14.73s , +56d 10m 35.4s) |   C |    60 | 17.4 |        
   22567 | 2025-05-23 20:42:00 |   MASTER-Kislovodsk | (03h 30m 07.47s , +56d 11m 07.2s) |   C |    60 | 17.5 |        
   22650 | 2025-05-23 20:43:23 |   MASTER-Kislovodsk | (03h 45m 12.07s , +56d 03m 49.6s) |   C |    60 | 17.2 |        
   23018 | 2025-05-23 20:49:30 |   MASTER-Kislovodsk | (03h 17m 22.59s , +56d 10m 37.7s) |   C |    60 | 17.4 |        
   23184 | 2025-05-23 20:52:17 |   MASTER-Kislovodsk | (03h 27m 50.56s , +58d 05m 57.8s) |   C |    60 | 17.5 |        
   23267 | 2025-05-23 20:53:40 |   MASTER-Kislovodsk | (03h 30m 10.02s , +56d 11m 21.3s) |   C |    60 | 17.4 |        
   23350 | 2025-05-23 20:55:03 |   MASTER-Kislovodsk | (03h 44m 32.25s , +56d 12m 15.9s) |   C |    60 | 17.1 |        
   23433 | 2025-05-23 20:56:25 |   MASTER-Kislovodsk | (03h 41m 20.67s , +58d 04m 13.7s) |   C |    60 | 17.2 |        
   23517 | 2025-05-23 20:57:49 |   MASTER-Kislovodsk | (03h 57m 20.41s , +57d 56m 03.5s) |   C |    60 | 16.9 |        
   23684 | 2025-05-23 21:00:36 |   MASTER-Kislovodsk | (03h 17m 22.22s , +56d 10m 58.3s) |   C |    60 | 17.5 |        
   23860 | 2025-05-23 21:03:33 |   MASTER-Kislovodsk | (03h 27m 48.61s , +58d 05m 22.2s) |   C |    60 | 17.5 |        
   23942 | 2025-05-23 21:04:55 |   MASTER-Kislovodsk | (03h 30m 14.69s , +56d 12m 23.1s) |   C |    60 | 17.4 |        
   24025 | 2025-05-23 21:06:18 |   MASTER-Kislovodsk | (03h 44m 41.86s , +56d 11m 19.6s) |   C |    60 | 17.2 |        
   24109 | 2025-05-23 21:07:42 |   MASTER-Kislovodsk | (03h 41m 25.66s , +58d 04m 17.2s) |   C |    60 | 17.0 |        
   24193 | 2025-05-23 21:09:06 |   MASTER-Kislovodsk | (03h 56m 39.27s , +58d 04m 39.7s) |   C |    60 | 17.0 |        
   24359 | 2025-05-23 21:11:52 |   MASTER-Kislovodsk | (03h 17m 25.84s , +56d 10m 43.1s) |   C |    60 | 17.2 |        
   24536 | 2025-05-23 21:14:49 |   MASTER-Kislovodsk | (03h 27m 52.64s , +58d 05m 26.7s) |   C |    60 | 17.4 |        
   24619 | 2025-05-23 21:16:11 |   MASTER-Kislovodsk | (03h 30m 18.46s , +56d 12m 28.5s) |   C |    60 | 17.3 |        
   24701 | 2025-05-23 21:17:34 |   MASTER-Kislovodsk | (03h 44m 45.55s , +56d 11m 23.7s) |   C |    60 | 17.1 |        
   24783 | 2025-05-23 21:18:56 |   MASTER-Kislovodsk | (03h 41m 28.60s , +58d 04m 23.8s) |   C |    60 | 16.9 |        
   24866 | 2025-05-23 21:20:19 |   MASTER-Kislovodsk | (03h 56m 41.12s , +58d 04m 21.4s) |   C |    60 | 17.0 |        
   25032 | 2025-05-23 21:23:05 |   MASTER-Kislovodsk | (03h 17m 29.05s , +56d 11m 01.4s) |   C |    60 | 17.1 |        
   25400 | 2025-05-23 21:29:13 |   MASTER-Kislovodsk | (03h 27m 53.52s , +58d 06m 21.8s) |   C |    60 | 16.9 |        
   25482 | 2025-05-23 21:30:35 |   MASTER-Kislovodsk | (03h 41m 37.73s , +58d 05m 12.4s) |   C |    60 | 16.9 |        
   25565 | 2025-05-23 21:31:57 |   MASTER-Kislovodsk | (03h 56m 37.52s , +58d 04m 04.6s) |   C |    60 | 17.1 |        
   26156 | 2025-05-23 21:41:48 |   MASTER-Kislovodsk | (03h 28m 04.81s , +58d 06m 14.0s) |   C |    60 | 17.4 |        
   26239 | 2025-05-23 21:43:12 |   MASTER-Kislovodsk | (03h 41m 33.23s , +58d 05m 02.6s) |   C |    60 | 17.1 |        
   26322 | 2025-05-23 21:44:34 |   MASTER-Kislovodsk | (03h 56m 42.14s , +58d 05m 53.9s) |   C |    60 | 17.0 |        
   26899 | 2025-05-23 21:54:12 |   MASTER-Kislovodsk | (03h 28m 04.81s , +58d 05m 50.5s) |   C |    60 | 17.3 |        
   26981 | 2025-05-23 21:55:34 |   MASTER-Kislovodsk | (03h 41m 41.31s , +58d 04m 17.0s) |   C |    60 | 17.2 |        
   27064 | 2025-05-23 21:56:57 |   MASTER-Kislovodsk | (03h 56m 49.41s , +58d 05m 27.2s) |   C |    60 | 17.1 |        
   27856 | 2025-05-23 22:10:08 |   MASTER-Kislovodsk | (03h 20m 37.43s , +54d 16m 52.6s) |   C |    60 | 17.2 |        
   27941 | 2025-05-23 22:11:34 |   MASTER-Kislovodsk | (03h 34m 25.60s , +54d 17m 01.7s) |   C |    60 | 17.2 |        
   28528 | 2025-05-23 22:21:21 |   MASTER-Kislovodsk | (03h 20m 39.22s , +54d 17m 09.8s) |   C |    60 | 17.2 |        
   28609 | 2025-05-23 22:22:42 |   MASTER-Kislovodsk | (03h 34m 27.34s , +54d 17m 19.6s) |   C |    60 | 17.2 |        
   29195 | 2025-05-23 22:32:28 |   MASTER-Kislovodsk | (03h 20m 42.07s , +54d 17m 28.6s) |   C |    60 | 15.0 |        
   29280 | 2025-05-23 22:33:53 |   MASTER-Kislovodsk | (03h 34m 30.19s , +54d 17m 12.4s) |   C |    60 | 15.4 |        
   29878 | 2025-05-23 22:43:51 |   MASTER-Kislovodsk | (03h 20m 45.40s , +54d 17m 48.7s) |   C |    60 | 16.5 |        
   29963 | 2025-05-23 22:45:16 |   MASTER-Kislovodsk | (03h 34m 33.06s , +54d 17m 58.0s) |   C |    60 | 15.8 |        
   30549 | 2025-05-23 22:55:02 |   MASTER-Kislovodsk | (03h 20m 47.78s , +54d 18m 09.9s) |   C |    60 | 15.9 |        
   30638 | 2025-05-23 22:56:30 |   MASTER-Kislovodsk | (03h 34m 34.22s , +54d 17m 49.0s) |   C |    60 | 16.6 |        
   31238 | 2025-05-23 23:06:30 |   MASTER-Kislovodsk | (03h 20m 49.25s , +54d 18m 32.8s) |   C |    60 | 17.3 |        
   31322 | 2025-05-23 23:07:55 |   MASTER-Kislovodsk | (03h 34m 37.54s , +54d 18m 28.8s) |   C |    60 | 17.0 |        
   31499 | 2025-05-23 23:10:52 |   MASTER-Kislovodsk | (03h 25m 13.35s , +52d 26m 25.2s) |   C |    60 | 16.8 |        
   31584 | 2025-05-23 23:12:17 |   MASTER-Kislovodsk | (03h 36m 52.19s , +52d 26m 22.1s) |   C |    60 | 16.2 |        
   31679 | 2025-05-23 23:13:52 |   MASTER-Kislovodsk | (03h 50m 05.88s , +52d 24m 58.8s) |   C |    60 | 16.4 |        
   31766 | 2025-05-23 23:15:19 |   MASTER-Kislovodsk | (03h 46m 58.76s , +54d 18m 17.3s) |   C |    60 | 17.1 |        
   31851 | 2025-05-23 23:16:43 |   MASTER-Kislovodsk | (04h 00m 37.99s , +54d 19m 33.4s) |   C |    60 | 15.8 |        
   32022 | 2025-05-23 23:19:34 |   MASTER-Kislovodsk | (03h 40m 33.32s , +50d 31m 28.3s) |   C |    60 | 15.7 |        
   32191 | 2025-05-23 23:22:23 |   MASTER-Kislovodsk | (03h 25m 15.05s , +52d 26m 00.3s) |   C |    60 | 16.6 |        
   32274 | 2025-05-23 23:23:47 |   MASTER-Kislovodsk | (03h 36m 55.99s , +52d 24m 40.8s) |   C |    60 | 16.8 |        
   32360 | 2025-05-23 23:25:13 |   MASTER-Kislovodsk | (03h 50m 07.43s , +52d 24m 19.5s) |   C |    60 | 17.1 |        
   32444 | 2025-05-23 23:26:37 |   MASTER-Kislovodsk | (03h 46m 58.50s , +54d 20m 11.5s) |   C |    60 | 17.3 |        
   32530 | 2025-05-23 23:28:03 |   MASTER-Kislovodsk | (04h 00m 40.80s , +54d 18m 19.5s) |   C |    60 | 17.2 |        
   32700 | 2025-05-23 23:30:53 |   MASTER-Kislovodsk | (03h 40m 35.62s , +50d 31m 49.4s) |   C |    60 | 16.3 |        
   32873 | 2025-05-23 23:33:45 |   MASTER-Kislovodsk | (03h 25m 16.35s , +52d 26m 26.8s) |   C |    60 | 14.9 |        
   32960 | 2025-05-23 23:35:13 |   MASTER-Kislovodsk | (03h 36m 59.31s , +52d 25m 04.3s) |   C |    60 | 14.9 |        
   33047 | 2025-05-23 23:36:40 |   MASTER-Kislovodsk | (03h 50m 10.97s , +52d 24m 40.8s) |   C |    60 | 15.4 |        
   33133 | 2025-05-23 23:38:06 |   MASTER-Kislovodsk | (03h 47m 00.21s , +54d 20m 34.4s) |   C |    60 | 16.3 |        
   33222 | 2025-05-23 23:39:34 |   MASTER-Kislovodsk | (04h 00m 42.45s , +54d 18m 32.8s) |   C |    60 | 16.7 |        
   34125 | 2025-05-23 23:54:38 |   MASTER-Kislovodsk | (03h 40m 44.00s , +50d 31m 44.3s) |   C |    60 | 16.3 |        
   34297 | 2025-05-23 23:57:29 |   MASTER-Kislovodsk | (03h 25m 16.75s , +52d 26m 27.0s) |   C |    60 | 17.2 |        
   34381 | 2025-05-23 23:58:54 |   MASTER-Kislovodsk | (03h 37m 07.09s , +52d 27m 30.1s) |   C |    60 | 17.1 |        
   34476 | 2025-05-24 00:00:29 |   MASTER-Kislovodsk | (03h 50m 08.15s , +52d 26m 18.6s) |   C |    60 | 17.0 |        
   34572 | 2025-05-24 00:02:05 |   MASTER-Kislovodsk | (03h 47m 03.79s , +54d 21m 26.2s) |   C |    60 | 17.5 |        
   34661 | 2025-05-24 00:03:33 |   MASTER-Kislovodsk | (04h 00m 50.33s , +54d 19m 58.0s) |   C |    60 | 16.9 |        
   34842 | 2025-05-24 00:06:35 |   MASTER-Kislovodsk | (03h 40m 47.71s , +50d 31m 59.9s) |   C |    60 | 16.9 |        
   35023 | 2025-05-24 00:09:35 |   MASTER-Kislovodsk | (03h 25m 19.60s , +52d 26m 39.5s) |   C |    60 | 17.0 |        
   35114 | 2025-05-24 00:11:07 |   MASTER-Kislovodsk | (03h 37m 11.03s , +52d 27m 56.3s) |   C |    60 | 17.0 |        
   35206 | 2025-05-24 00:12:39 |   MASTER-Kislovodsk | (03h 50m 11.12s , +52d 26m 46.8s) |   C |    60 | 16.8 |        
   35303 | 2025-05-24 00:14:16 |   MASTER-Kislovodsk | (03h 47m 04.79s , +54d 21m 55.7s) |   C |    60 | 16.9 |        
   35394 | 2025-05-24 00:15:47 |   MASTER-Kislovodsk | (04h 00m 53.40s , +54d 20m 25.0s) |   C |    60 | 16.6 |        
   35620 | 2025-05-24 00:19:33 |   MASTER-Kislovodsk | (03h 40m 48.19s , +50d 32m 49.1s) |   C |    60 | 16.3 |        
   35812 | 2025-05-24 00:22:45 |   MASTER-Kislovodsk | (03h 25m 21.78s , +52d 27m 38.6s) |   C |    60 | 16.3 |        
   35925 | 2025-05-24 00:24:37 |   MASTER-Kislovodsk | (03h 37m 12.36s , +52d 28m 28.2s) |   C |    60 | 16.3 |        
   36028 | 2025-05-24 00:26:21 |   MASTER-Kislovodsk | (03h 50m 12.43s , +52d 27m 21.8s) |   C |    60 | 15.9 |        
   36126 | 2025-05-24 00:27:59 |   MASTER-Kislovodsk | (03h 47m 07.21s , +54d 22m 30.8s) |   C |    60 | 16.1 |        
   36236 | 2025-05-24 00:29:49 |   MASTER-Kislovodsk | (04h 00m 54.98s , +54d 21m 00.6s) |   C |    60 | 15.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12609
TYPE = 35
DAYS = 0


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 250523A ( Fermi GBM team, GCN 40538) errorbox  21017 sec after notice time and 21056 sec after trigger time at 2025-05-23 20:17:20 UT, with upper limit up to  17.1 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -25.3 deg. 

The galactic latitude b = -0 deg., longitude l = 145 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2879253

We obtain a following upper limits.  

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

   21087 | 2025-05-23 20:17:20 |   MASTER-Kislovodsk | (03h 30m 46.09s , +56d 01m 35.6s) |   C |    60 | 17.1 |        
   21175 | 2025-05-23 20:18:48 |   MASTER-Kislovodsk | (03h 45m 14.18s , +56d 02m 05.0s) |   C |    60 | 17.0 |        
   21462 | 2025-05-23 20:23:35 |   MASTER-Kislovodsk | (03h 02m 54.34s , +56d 12m 15.7s) |   C |    60 | 17.1 |        
   21545 | 2025-05-23 20:24:58 |   MASTER-Kislovodsk | (03h 17m 09.58s , +56d 11m 13.2s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12608
TYPE = 35
DAYS = 0


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 250523A ( Fermi GBM team, GCN 40538) errorbox  21017 sec after notice time and 21056 sec after trigger time at 2025-05-23 20:17:20 UT, with upper limit up to  17.1 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -25.3 deg. 

The galactic latitude b = -0 deg., longitude l = 145 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2879253

We obtain a following upper limits.  

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

   21087 | 2025-05-23 20:17:20 |   MASTER-Kislovodsk | (03h 30m 46.09s , +56d 01m 35.6s) |   C |    60 | 17.1 |        
   21175 | 2025-05-23 20:18:48 |   MASTER-Kislovodsk | (03h 45m 14.18s , +56d 02m 05.0s) |   C |    60 | 17.0 |        
   21462 | 2025-05-23 20:23:35 |   MASTER-Kislovodsk | (03h 02m 54.34s , +56d 12m 15.7s) |   C |    60 | 17.1 |        
   21545 | 2025-05-23 20:24:58 |   MASTER-Kislovodsk | (03h 17m 09.58s , +56d 11m 13.2s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12607
TYPE = 34
DAYS = 0


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 250523A ( Fermi GBM team, GCN 40538) errorbox  21017 sec after notice time and 21056 sec after trigger time at 2025-05-23 20:17:20 UT, with upper limit up to  17.1 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -25.3 deg. 

The galactic latitude b = -0 deg., longitude l = 145 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2879253

We obtain a following upper limits.  

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

   21087 | 2025-05-23 20:17:20 |   MASTER-Kislovodsk | (03h 30m 46.09s , +56d 01m 35.6s) |   C |    60 | 17.1 |        
   21175 | 2025-05-23 20:18:48 |   MASTER-Kislovodsk | (03h 45m 14.18s , +56d 02m 05.0s) |   C |    60 | 17.0 |        
   21462 | 2025-05-23 20:23:35 |   MASTER-Kislovodsk | (03h 02m 54.34s , +56d 12m 15.7s) |   C |    60 | 17.1 |        
   21545 | 2025-05-23 20:24:58 |   MASTER-Kislovodsk | (03h 17m 09.58s , +56d 11m 13.2s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025