MASTER Net MASTER Database: GRB210515.62 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 GRB210515.62
Trignum 642783411
Trigger time 2021-05-15 14:56:46.18
Notice time 2021-05-15 14:57:27.379065
Coord, eb (21h 10m 24.00s , +44d 28m 58.8s) , 7.55
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You are viewing outdated information, relevant error box is here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
2382758 2024-02-20 15:56:37.664482 21h 00m 40.80s +45d 42m 36.0s FERMI 2.39 retraction 642783411 1 4044 retraction
1613713 2021-05-15 15:06:25.003116 21h 00m 40.80s +45d 42m 36.0s FERMI 1.57 alert 642783411 6 115 alert
1613701 2021-05-15 14:58:32.424305 21h 00m 40.80s +45d 42m 36.0s FERMI 2.39 alert 642783411 12 112 alert
1613685 2021-05-15 14:57:27.379065 21h 10m 24.00s +44d 28m 58.8s FERMI 7.55 alert 642783411 10 111 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

2021-05-15 14:56:46 (JD 2459350.122755)

Siderial time 9.024627 h

Ra 21:10:24.00 Dec 44:28:58.80
(317.600000d, 44.483000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 31.36 Azimuth: 236.60

Sun: Altitude: -20.45 Azimuth: 172.82

Moon: Altitude: -1.32 Azimuth: 134.80

Tunka

Object: Altitude: 20.61 Azimuth: 222.88

Sun: Altitude: -14.08 Azimuth: 149.35

Moon: Altitude: 11.97 Azimuth: 116.41

Kislovodsk

Object: Altitude: -1.74 Azimuth: 181.91

Sun: Altitude: 14.43 Azimuth: 102.58

Moon: Altitude: 50.71 Azimuth: 76.98

Tavrida

Object: Altitude: -0.64 Azimuth: 175.84

Sun: Altitude: 20.60 Azimuth: 96.66

Moon: Altitude: 56.21 Azimuth: 67.25

SAAO

Object: Altitude: -70.88 Azimuth: 134.73

Sun: Altitude: 8.52 Azimuth: 118.94

Moon: Altitude: 28.52 Azimuth: 157.95

IAC

Object: Altitude: -0.91 Azimuth: 143.56

Sun: Altitude: 62.01 Azimuth: 76.86

Moon: Altitude: 75.62 Azimuth: 277.13

Argentina

Object: Altitude: -9.79 Azimuth: 136.86

Sun: Altitude: 34.31 Azimuth: 207.66

Moon: Altitude: 2.92 Azimuth: 237.27

Mexico

Object: Altitude: 63.13 Azimuth: 128.41

Sun: Altitude: 30.68 Azimuth: 265.21

Moon: Altitude: -2.18 Azimuth: 238.16

Ural

Object: Altitude: 12.85 Azimuth: 194.28

Sun: Altitude: 8.03 Azimuth: 112.65

Moon: Altitude: 37.33 Azimuth: 79.78

Vostryakovo

Object: Altitude: 9.88 Azimuth: 178.52

Sun: Altitude: 19.31 Azimuth: 95.63

Moon: Altitude: 49.18 Azimuth: 59.10

Gal. latitude: -2.522763 Gal. longitude: 87.374504

Dist. to Sun: 80.111611

Dist. to Moon: 100.751456

Moon coord.: (97.103437 d, 25.598347 d)

Sun coord.: (52.343228 d, 18.948453 d)

Lunar disk: 0.127575

Lunar phase: 138.146265

Lunar bright limb: 270.317095

No SN in this field

2021-05-15 14:57:27 (JD 2459350.123229)

Siderial time 9.036048 h

Ra 21:10:24.00 Dec 44:28:58.80
(317.600000d, 44.483000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 31.45 Azimuth: 236.69

Sun: Altitude: -20.46 Azimuth: 173.00

Moon: Altitude: -1.39 Azimuth: 134.93

Tunka

Object: Altitude: 20.68 Azimuth: 222.98

Sun: Altitude: -14.13 Azimuth: 149.50

Moon: Altitude: 11.88 Azimuth: 116.53

Kislovodsk

Object: Altitude: -1.73 Azimuth: 182.03

Sun: Altitude: 14.31 Azimuth: 102.69

Moon: Altitude: 50.59 Azimuth: 77.13

Tavrida

Object: Altitude: -0.65 Azimuth: 175.96

Sun: Altitude: 20.48 Azimuth: 96.77

Moon: Altitude: 56.10 Azimuth: 67.43

SAAO

Object: Altitude: -70.98 Azimuth: 134.94

Sun: Altitude: 8.40 Azimuth: 118.83

Moon: Altitude: 28.47 Azimuth: 157.79

IAC

Object: Altitude: -1.00 Azimuth: 143.64

Sun: Altitude: 61.86 Azimuth: 77.01

Moon: Altitude: 75.76 Azimuth: 277.28

Argentina

Object: Altitude: -9.89 Azimuth: 136.78

Sun: Altitude: 34.38 Azimuth: 207.48

Moon: Altitude: 3.04 Azimuth: 237.18

Mexico

Object: Altitude: 63.01 Azimuth: 128.32

Sun: Altitude: 30.83 Azimuth: 265.29

Moon: Altitude: -2.06 Azimuth: 238.24

Ural

Object: Altitude: 12.87 Azimuth: 194.40

Sun: Altitude: 7.94 Azimuth: 112.79

Moon: Altitude: 37.25 Azimuth: 79.93

Vostryakovo

Object: Altitude: 9.88 Azimuth: 178.65

Sun: Altitude: 19.21 Azimuth: 95.77

Moon: Altitude: 49.10 Azimuth: 59.29

Gal. latitude: -2.522763 Gal. longitude: 87.374504

Dist. to Sun: 80.111855

Dist. to Moon: 100.753983

Moon coord.: (97.109777 d, 25.598539 d)

Sun coord.: (52.343697 d, 18.948564 d)

Lunar disk: 0.127605

Lunar phase: 138.140991

Lunar bright limb: 270.319546

No SN in this field

2021-05-15 15:57:27 (JD 2459350.164896)

Siderial time 10.038785 h

Ra 21:10:24.00 Dec 44:28:58.80
(317.600000d, 44.483000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 39.83 Azimuth: 244.94

Sun: Altitude: -20.36 Azimuth: 188.13

Moon: Altitude: -7.23 Azimuth: 146.65

Tunka

Object: Altitude: 27.53 Azimuth: 232.02

Sun: Altitude: -17.80 Azimuth: 163.76

Moon: Altitude: 4.30 Azimuth: 127.28

Kislovodsk

Object: Altitude: -0.34 Azimuth: 192.66

Sun: Altitude: 4.00 Azimuth: 112.57

Moon: Altitude: 40.23 Azimuth: 88.52

Tavrida

Object: Altitude: -0.40 Azimuth: 186.68

Sun: Altitude: 10.07 Azimuth: 106.77

Moon: Altitude: 46.21 Azimuth: 81.14

SAAO

Object: Altitude: -77.54 Azimuth: 167.26

Sun: Altitude: -3.12 Azimuth: 110.53

Moon: Altitude: 22.56 Azimuth: 144.87

IAC

Object: Altitude: -8.10 Azimuth: 151.69

Sun: Altitude: 48.79 Azimuth: 86.86

Moon: Altitude: 87.10 Azimuth: 337.79

Argentina

Object: Altitude: -19.11 Azimuth: 131.13

Sun: Altitude: 38.55 Azimuth: 190.60

Moon: Altitude: 12.84 Azimuth: 228.46

Mexico

Object: Altitude: 52.54 Azimuth: 123.98

Sun: Altitude: 43.67 Azimuth: 272.89

Moon: Altitude: 8.89 Azimuth: 245.38

Ural

Object: Altitude: 15.64 Azimuth: 205.08

Sun: Altitude: 0.82 Azimuth: 125.10

Moon: Altitude: 29.41 Azimuth: 92.46

Vostryakovo

Object: Altitude: 10.49 Azimuth: 189.52

Sun: Altitude: 10.89 Azimuth: 107.67

Moon: Altitude: 41.55 Azimuth: 74.51

Gal. latitude: -2.522763 Gal. longitude: 87.374504

Dist. to Sun: 80.133232

Dist. to Moon: 100.975595

Moon coord.: (97.666707 d, 25.614329 d)

Sun coord.: (52.384909 d, 18.958320 d)

Lunar disk: 0.130315

Lunar phase: 137.677799

Lunar bright limb: 270.535165

No SN in this field

2025-05-09 14:12:17 (JD 2460805.091863)

Siderial time 7.889004 h

Ra 21:10:24.00 Dec 44:28:58.80
(317.600000d, 44.483000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 22.83 Azimuth: 226.90

Sun: Altitude: -20.37 Azimuth: 161.47

Moon: Altitude: 30.77 Azimuth: 17.43

Tunka

Object: Altitude: 14.20 Azimuth: 212.07

Sun: Altitude: -11.46 Azimuth: 138.77

Moon: Altitude: 30.20 Azimuth: 349.24

Kislovodsk

Object: Altitude: -0.85 Azimuth: 169.81

Sun: Altitude: 21.35 Azimuth: 94.08

Moon: Altitude: 9.00 Azimuth: 289.47

Tavrida

Object: Altitude: 1.50 Azimuth: 163.90

Sun: Altitude: 27.46 Azimuth: 87.74

Moon: Altitude: 2.88 Azimuth: 283.44

SAAO

Object: Altitude: -59.57 Azimuth: 123.96

Sun: Altitude: 17.47 Azimuth: 124.85

Moon: Altitude: 2.62 Azimuth: 277.16

IAC

Object: Altitude: 8.78 Azimuth: 136.23

Sun: Altitude: 70.36 Azimuth: 60.25

Moon: Altitude: -37.61 Azimuth: 256.77

Argentina

Object: Altitude: -0.63 Azimuth: 144.85

Sun: Altitude: 30.41 Azimuth: 219.39

Moon: Altitude: -50.71 Azimuth: 2.76

Mexico

Object: Altitude: 73.26 Azimuth: 146.91

Sun: Altitude: 20.57 Azimuth: 261.51

Moon: Altitude: -43.63 Azimuth: 111.40

Ural

Object: Altitude: 11.54 Azimuth: 181.94

Sun: Altitude: 12.50 Azimuth: 102.84

Moon: Altitude: 12.52 Azimuth: 305.90

Vostryakovo

Object: Altitude: 11.16 Azimuth: 166.25

Sun: Altitude: 24.39 Azimuth: 85.55

Moon: Altitude: 2.44 Azimuth: 286.87

Gal. latitude: -2.522763 Gal. longitude: 87.374504

Dist. to Sun: 77.040691

Dist. to Moon: 119.407169

Moon coord.: (193.152431 d, -7.449765 d)

Sun coord.: (46.396084 d, 17.436020 d)

Lunar disk: 0.915479

Lunar phase: 33.802683

Lunar bright limb: 290.325562

No SN in this field
Recent coverage and limits telegrams

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

  ID = 4260
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 210515B ( Fermi GBM team, GCN 30016) errorbox  11999 sec after notice time and 12030 sec after trigger time at 2021-05-15 18:17:16 UT, with upper limit up to  18.9 mag. Observations started at twilight.  The observations began at zenith distance = 80 deg. The sun  altitude  is -16.8 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 210515B errorbox  19464 sec after notice time and 19495 sec after trigger time at 2021-05-15 20:21:41 UT, with upper limit up to  18.9 mag. The observations began at zenith distance = 69 deg. The sun  altitude  is -24.6 deg. 

MASTER-IAC robotic telescope  located in Spain (IAC Teide Observatory) started inspect of the FERMI GRB 210515B errorbox  33817 sec after notice time and 33847 sec after trigger time at 2021-05-16 00:20:54 UT, with upper limit up to  18.4 mag. The observations began at zenith distance = 71 deg. The sun  altitude  is -42.1 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 210515B errorbox  62212 sec after notice time and 62243 sec after trigger time at 2021-05-16 08:14:09 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -38.6 deg. 

The galactic latitude b = -0 deg., longitude l = 87 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1613711

We obtain a following upper limits.  

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

     109 | 2021-05-15 14:58:25 |             MASTER- | (21h 06m 02.23s , +47d 23m 09.8s) |   C |    20 | 16.2 |        
     184 | 2021-05-15 14:59:35 |             MASTER- | (21h 04m 42.79s , +45d 59m 02.9s) |   C |    30 | 16.4 |        
    1302 | 2021-05-15 15:18:17 |             MASTER- | (21h 04m 33.28s , +45d 13m 33.8s) |   C |    20 | 16.8 |        
    1332 | 2021-05-15 15:18:48 |             MASTER- | (21h 15m 40.72s , +45d 11m 58.3s) |   C |    20 | 16.6 |        
    1363 | 2021-05-15 15:19:18 |             MASTER- | (21h 04m 09.82s , +47d 06m 43.4s) |   C |    20 | 16.4 |        
    1425 | 2021-05-15 15:20:20 |             MASTER- | (20h 43m 07.59s , +45d 15m 09.1s) |   C |    20 | 17.2 |        
    1455 | 2021-05-15 15:20:51 |             MASTER- | (20h 54m 22.64s , +45d 12m 47.8s) |   C |    20 | 17.0 |        
    1486 | 2021-05-15 15:21:21 |             MASTER- | (21h 06m 08.80s , +43d 18m 34.5s) |   C |    20 | 17.0 |        
    1546 | 2021-05-15 15:22:22 |             MASTER- | (20h 41m 56.56s , +47d 07m 21.0s) |   C |    20 | 17.0 |        
    1579 | 2021-05-15 15:22:54 |             MASTER- | (20h 53m 41.36s , +47d 06m 37.3s) |   C |    20 | 16.8 |        
    1609 | 2021-05-15 15:23:25 |             MASTER- | (21h 05m 07.73s , +48d 59m 53.2s) |   C |    20 | 17.2 |        
    2226 | 2021-05-15 15:33:42 |             MASTER- | (21h 04m 28.00s , +45d 14m 10.8s) |   C |    20 | 16.9 |        
    2258 | 2021-05-15 15:34:14 |             MASTER- | (21h 15m 48.32s , +45d 12m 24.6s) |   C |    20 | 17.2 |        
    2291 | 2021-05-15 15:34:47 |             MASTER- | (21h 04m 05.16s , +47d 06m 15.7s) |   C |    20 | 16.6 |        
    2323 | 2021-05-15 15:35:19 |             MASTER- | (21h 15m 48.75s , +47d 05m 58.6s) |   C |    20 | 17.0 |        
    2389 | 2021-05-15 15:36:24 |             MASTER- | (20h 54m 24.69s , +45d 13m 15.4s) |   C |    20 | 17.4 |        
    2422 | 2021-05-15 15:36:58 |             MASTER- | (21h 06m 17.95s , +43d 20m 01.6s) |   C |    20 | 17.1 |        
    2484 | 2021-05-15 15:37:59 |             MASTER- | (20h 41m 59.09s , +47d 10m 00.2s) |   C |    20 | 17.0 |        
    2513 | 2021-05-15 15:38:29 |             MASTER- | (20h 53m 44.11s , +47d 08m 10.4s) |   C |    20 | 16.9 |        
    2547 | 2021-05-15 15:39:03 |             MASTER- | (21h 05m 06.54s , +49d 00m 25.3s) |   C |    20 | 17.4 |        
    2638 | 2021-05-15 15:40:34 |             MASTER- | (20h 56m 26.27s , +43d 19m 00.9s) |   C |    20 | 17.8 |        
    3137 | 2021-05-15 15:48:52 |             MASTER- | (21h 04m 33.72s , +45d 13m 21.3s) |   C |    20 | 16.5 |        
    3166 | 2021-05-15 15:49:22 |             MASTER- | (21h 15m 51.63s , +45d 13m 45.9s) |   C |    20 | 17.0 |        
    3200 | 2021-05-15 15:49:56 |             MASTER- | (21h 04m 08.23s , +47d 07m 58.2s) |   C |    20 | 15.9 |        
    3230 | 2021-05-15 15:50:26 |             MASTER- | (21h 15m 46.86s , +47d 08m 12.0s) |   C |    20 | 16.7 |        
    3291 | 2021-05-15 15:51:27 |             MASTER- | (20h 54m 23.31s , +45d 13m 44.7s) |   C |    20 | 16.7 |        
    3324 | 2021-05-15 15:52:00 |             MASTER- | (21h 06m 19.64s , +43d 19m 16.3s) |   C |    20 | 16.7 |        
    3386 | 2021-05-15 15:53:01 |             MASTER- | (20h 42m 04.44s , +47d 09m 14.9s) |   C |    20 | 16.2 |        
    3415 | 2021-05-15 15:53:31 |             MASTER- | (20h 53m 46.50s , +47d 09m 36.7s) |   C |    20 | 16.8 |        
    3448 | 2021-05-15 15:54:04 |             MASTER- | (21h 05m 10.58s , +49d 02m 10.8s) |   C |    20 | 15.1 |        
    3509 | 2021-05-15 15:55:05 |             MASTER- | (20h 45m 38.00s , +43d 21m 30.8s) |   C |    20 | 16.5 |        
    3539 | 2021-05-15 15:55:34 |             MASTER- | (20h 56m 26.18s , +43d 19m 46.8s) |   C |    20 | 16.3 |        
   12061 | 2021-05-15 18:17:16 |   MASTER-Kislovodsk | (21h 05m 23.40s , +44d 55m 15.5s) |   C |    60 | 15.6 |        
   12061 | 2021-05-15 18:17:16 |   MASTER-Kislovodsk | (21h 10m 52.80s , +44d 29m 34.6s) |   C |    60 | 14.2 |        
   12221 | 2021-05-15 18:19:57 |   MASTER-Kislovodsk | (21h 05m 04.57s , +46d 48m 41.2s) |   C |    60 | 16.3 |        
   12221 | 2021-05-15 18:19:57 |   MASTER-Kislovodsk | (21h 10m 39.76s , +46d 23m 00.4s) |   C |    60 | 16.6 |        
   13029 | 2021-05-15 18:33:24 |   MASTER-Kislovodsk | (21h 05m 09.61s , +44d 54m 34.9s) |   C |    60 | 15.1 |        
   13029 | 2021-05-15 18:33:25 |   MASTER-Kislovodsk | (21h 10m 50.76s , +44d 29m 00.6s) |   C |    60 | 16.1 |        
   13189 | 2021-05-15 18:36:05 |   MASTER-Kislovodsk | (21h 05m 03.24s , +46d 49m 30.6s) |   C |    60 | 13.5 |        
   13189 | 2021-05-15 18:36:05 |   MASTER-Kislovodsk | (21h 10m 36.52s , +46d 23m 57.9s) |   C |    60 | 14.5 |        
   14000 | 2021-05-15 18:49:36 |   MASTER-Kislovodsk | (21h 05m 13.63s , +44d 55m 49.2s) |   C |    60 | 16.6 |        
   14000 | 2021-05-15 18:49:36 |   MASTER-Kislovodsk | (21h 10m 55.26s , +44d 30m 22.9s) |   C |    60 | 15.5 |        
   14160 | 2021-05-15 18:52:16 |   MASTER-Kislovodsk | (21h 05m 09.83s , +46d 49m 12.2s) |   C |    60 | 16.9 |        
   14160 | 2021-05-15 18:52:16 |   MASTER-Kislovodsk | (21h 10m 43.83s , +46d 23m 47.2s) |   C |    60 | 17.4 |        
   18173 | 2021-05-15 19:59:09 |   MASTER-Kislovodsk | (20h 44m 04.78s , +44d 56m 31.4s) |   C |    60 | 17.6 |        
   18173 | 2021-05-15 19:59:09 |   MASTER-Kislovodsk | (20h 49m 32.39s , +44d 31m 43.0s) |   C |    60 | 18.2 |        
   19101 | 2021-05-15 20:14:37 |   MASTER-Kislovodsk | (20h 44m 01.67s , +44d 58m 50.9s) |   C |    60 | 17.8 |        
   19102 | 2021-05-15 20:14:37 |   MASTER-Kislovodsk | (20h 49m 30.47s , +44d 34m 05.1s) |   C |    60 | 18.6 |        
   19525 | 2021-05-15 20:21:41 |      MASTER-Tavrida | (21h 09m 14.90s , +44d 01m 10.9s) |   C |    60 | 17.6 |        
   20400 | 2021-05-15 20:36:16 |      MASTER-Tavrida | (20h 58m 10.60s , +43d 59m 47.4s) |   C |    60 | 17.6 |        
   20479 | 2021-05-15 20:37:35 |      MASTER-Tavrida | (21h 09m 23.89s , +44d 01m 08.4s) |   C |    60 | 17.4 |        
   20533 | 2021-05-15 20:38:29 |   MASTER-Kislovodsk | (20h 43m 45.21s , +44d 59m 02.9s) |   C |    60 | 17.9 |        
   20533 | 2021-05-15 20:38:29 |   MASTER-Kislovodsk | (20h 49m 35.97s , +44d 34m 39.2s) |   C |    60 | 18.5 |        
   21412 | 2021-05-15 20:53:07 |      MASTER-Tavrida | (20h 58m 08.70s , +44d 01m 25.6s) |   C |    60 | 13.7 |        
   21491 | 2021-05-15 20:54:27 |      MASTER-Tavrida | (21h 09m 19.37s , +44d 00m 13.1s) |   C |    60 | 13.0 |        
   21880 | 2021-05-15 21:00:56 |      MASTER-Tavrida | (21h 08m 58.63s , +45d 55m 28.6s) |   C |    60 | 16.9 |        
   22560 | 2021-05-15 21:12:16 |      MASTER-Tavrida | (20h 57m 16.90s , +45d 54m 02.9s) |   C |    60 | 16.9 |        
   22800 | 2021-05-15 21:16:15 |      MASTER-Tavrida | (21h 09m 08.53s , +45d 54m 24.9s) |   C |    60 | 14.3 |        
   23609 | 2021-05-15 21:29:45 |      MASTER-Tavrida | (20h 57m 19.27s , +45d 56m 02.5s) |   C |    60 | 16.3 |        
   23848 | 2021-05-15 21:33:44 |      MASTER-Tavrida | (21h 09m 07.96s , +45d 53m 47.7s) |   C |    60 | 16.1 |        
   24074 | 2021-05-15 21:37:30 |   MASTER-Kislovodsk | (21h 07m 13.21s , +43d 04m 49.2s) |   C |    60 | 17.5 |        
   24234 | 2021-05-15 21:40:10 |   MASTER-Kislovodsk | (20h 42m 50.06s , +46d 54m 05.8s) |   C |    60 | 17.7 |        
   24235 | 2021-05-15 21:40:10 |   MASTER-Kislovodsk | (20h 48m 41.99s , +46d 29m 55.6s) |   C |    60 | 18.2 |        
   24315 | 2021-05-15 21:41:30 |   MASTER-Kislovodsk | (21h 06m 02.84s , +48d 48m 31.7s) |   C |    60 | 17.8 |        
   24315 | 2021-05-15 21:41:30 |   MASTER-Kislovodsk | (21h 12m 05.93s , +48d 24m 16.5s) |   C |    60 | 18.2 |        
   25036 | 2021-05-15 21:53:32 |   MASTER-Kislovodsk | (21h 07m 14.18s , +43d 05m 53.3s) |   C |    60 | 17.8 |        
   25196 | 2021-05-15 21:56:12 |   MASTER-Kislovodsk | (20h 42m 39.94s , +46d 53m 51.6s) |   C |    60 | 17.8 |        
   25196 | 2021-05-15 21:56:12 |   MASTER-Kislovodsk | (20h 48m 48.31s , +46d 29m 43.3s) |   C |    60 | 18.3 |        
   25277 | 2021-05-15 21:57:32 |   MASTER-Kislovodsk | (21h 05m 51.28s , +48d 48m 32.4s) |   C |    60 | 17.6 |        
   25277 | 2021-05-15 21:57:32 |   MASTER-Kislovodsk | (21h 12m 11.19s , +48d 24m 20.1s) |   C |    60 | 18.2 |        
   25998 | 2021-05-15 22:09:34 |   MASTER-Kislovodsk | (21h 07m 11.10s , +43d 05m 42.5s) |   C |    60 | 17.9 |        
   26159 | 2021-05-15 22:12:15 |   MASTER-Kislovodsk | (20h 42m 29.18s , +46d 54m 51.1s) |   C |    60 | 17.8 |        
   26159 | 2021-05-15 22:12:15 |   MASTER-Kislovodsk | (20h 48m 43.64s , +46d 30m 47.9s) |   C |    60 | 18.3 |        
   26240 | 2021-05-15 22:13:35 |   MASTER-Kislovodsk | (21h 05m 43.22s , +48d 49m 18.7s) |   C |    60 | 17.9 |        
   26240 | 2021-05-15 22:13:35 |   MASTER-Kislovodsk | (21h 12m 09.42s , +48d 25m 10.7s) |   C |    60 | 18.3 |        
   26961 | 2021-05-15 22:25:37 |   MASTER-Kislovodsk | (20h 51m 58.87s , +42d 43m 06.0s) |   C |    60 | 18.9 |        
   27882 | 2021-05-15 22:40:58 |   MASTER-Kislovodsk | (20h 51m 59.99s , +42d 43m 35.4s) |   C |    60 | 18.7 |        
   29045 | 2021-05-15 23:00:21 |   MASTER-Kislovodsk | (20h 52m 02.67s , +42d 44m 54.3s) |   C |    60 | 17.5 |        
   30667 | 2021-05-15 23:27:23 |   MASTER-Kislovodsk | (20h 49m 19.50s , +48d 25m 50.2s) |   C |    60 | 17.1 |        
   31628 | 2021-05-15 23:43:24 |   MASTER-Kislovodsk | (20h 49m 14.71s , +48d 27m 24.6s) |   C |    60 | 18.3 |        
   32592 | 2021-05-15 23:59:28 |   MASTER-Kislovodsk | (20h 49m 19.81s , +48d 27m 10.5s) |   C |    60 | 18.3 |        
   33104 | 2021-05-16 00:08:00 |      MASTER-Tavrida | (20h 47m 30.32s , +44d 02m 54.9s) |   C |    60 | 18.9 |        
   33878 | 2021-05-16 00:20:54 |          MASTER-IAC | (20h 58m 19.35s , +46d 43m 35.2s) |   C |    60 | 17.3 |        
   33878 | 2021-05-16 00:20:54 |          MASTER-IAC | (21h 10m 10.29s , +46d 37m 58.8s) |   C |    60 | 16.4 |        
   33960 | 2021-05-16 00:22:16 |          MASTER-IAC | (20h 58m 53.97s , +44d 50m 35.2s) |   C |    60 | 17.4 |        
   33960 | 2021-05-16 00:22:16 |          MASTER-IAC | (21h 10m 21.50s , +44d 44m 58.5s) |   C |    60 | 16.7 |        
   34260 | 2021-05-16 00:27:16 |      MASTER-Tavrida | (20h 46m 27.12s , +45d 56m 54.7s) |   C |    60 | 18.4 |        
   34340 | 2021-05-16 00:28:35 |      MASTER-Tavrida | (20h 47m 33.91s , +44d 01m 51.7s) |   C |    60 | 18.8 |        
   34812 | 2021-05-16 00:36:27 |      MASTER-Tavrida | (20h 57m 47.69s , +47d 50m 32.2s) |   C |    60 | 18.1 |        
   34891 | 2021-05-16 00:37:47 |      MASTER-Tavrida | (21h 10m 00.30s , +47d 49m 17.9s) |   C |    60 | 17.9 |        
   34991 | 2021-05-16 00:39:27 |          MASTER-IAC | (20h 58m 24.60s , +46d 43m 04.3s) |   C |    60 | 17.4 |        
   34991 | 2021-05-16 00:39:27 |          MASTER-IAC | (21h 10m 15.97s , +46d 37m 33.2s) |   C |    60 | 16.6 |        
   35071 | 2021-05-16 00:40:47 |          MASTER-IAC | (20h 58m 56.10s , +44d 50m 27.6s) |   C |    60 | 17.5 |        
   35071 | 2021-05-16 00:40:47 |          MASTER-IAC | (21h 10m 23.93s , +44d 44m 56.3s) |   C |    60 | 16.8 |        
   35360 | 2021-05-16 00:45:35 |      MASTER-Tavrida | (20h 46m 35.40s , +45d 55m 38.3s) |   C |    60 | 17.1 |        
   35439 | 2021-05-16 00:46:55 |      MASTER-Tavrida | (20h 47m 31.11s , +44d 00m 36.6s) |   C |    60 | 17.4 |        
   36019 | 2021-05-16 00:56:35 |      MASTER-Tavrida | (20h 57m 44.31s , +47d 50m 30.5s) |   C |    60 | 15.8 |        
   36099 | 2021-05-16 00:57:55 |      MASTER-Tavrida | (21h 09m 56.34s , +47d 49m 17.6s) |   C |    60 | 15.1 |        
   36100 | 2021-05-16 00:57:56 |          MASTER-IAC | (20h 58m 17.53s , +46d 43m 46.1s) |   C |    60 | 17.5 |        
   36100 | 2021-05-16 00:57:56 |          MASTER-IAC | (21h 10m 09.08s , +46d 38m 20.0s) |   C |    60 | 16.8 |        
   36180 | 2021-05-16 00:59:16 |          MASTER-IAC | (20h 58m 52.95s , +44d 50m 45.8s) |   C |    60 | 17.7 |        
   36180 | 2021-05-16 00:59:16 |          MASTER-IAC | (21h 10m 20.98s , +44d 45m 19.3s) |   C |    60 | 17.1 |        
   36439 | 2021-05-16 01:03:35 |      MASTER-Tavrida | (20h 46m 32.10s , +45d 54m 43.9s) |   C |    60 | 15.1 |        
   37037 | 2021-05-16 01:13:33 |      MASTER-Tavrida | (20h 57m 47.19s , +47d 48m 41.7s) |   C |    60 | 15.0 |        
   37117 | 2021-05-16 01:14:52 |      MASTER-Tavrida | (21h 09m 50.62s , +47d 49m 57.8s) |   C |    60 | 14.6 |        
   37169 | 2021-05-16 01:15:45 |          MASTER-IAC | (21h 00m 50.04s , +42d 55m 12.1s) |   C |    60 | 18.0 |        
   37169 | 2021-05-16 01:15:45 |          MASTER-IAC | (21h 11m 57.75s , +42d 49m 43.0s) |   C |    60 | 17.2 |        
   37249 | 2021-05-16 01:17:05 |          MASTER-IAC | (20h 48m 56.55s , +44d 45m 60.0s) |   C |    60 | 17.6 |        
   37338 | 2021-05-16 01:18:34 |          MASTER-IAC | (20h 51m 08.55s , +42d 50m 28.3s) |   C |    60 | 17.6 |        
   38192 | 2021-05-16 01:32:48 |          MASTER-IAC | (21h 00m 49.04s , +42d 57m 08.8s) |   C |    60 | 18.1 |        
   38192 | 2021-05-16 01:32:48 |          MASTER-IAC | (21h 11m 56.99s , +42d 51m 40.0s) |   C |    60 | 17.3 |        
   38272 | 2021-05-16 01:34:08 |          MASTER-IAC | (20h 48m 53.25s , +44d 45m 10.5s) |   C |    60 | 17.6 |        
   38353 | 2021-05-16 01:35:29 |          MASTER-IAC | (20h 51m 04.45s , +42d 52m 06.5s) |   C |    60 | 17.7 |        
   39223 | 2021-05-16 01:49:59 |          MASTER-IAC | (21h 00m 48.89s , +42d 56m 14.4s) |   C |    60 | 18.3 |        
   39223 | 2021-05-16 01:49:59 |          MASTER-IAC | (21h 11m 56.86s , +42d 50m 40.7s) |   C |    60 | 17.4 |        
   39312 | 2021-05-16 01:51:28 |          MASTER-IAC | (20h 49m 10.97s , +44d 49m 16.3s) |   C |    60 | 18.2 |        
   39392 | 2021-05-16 01:52:48 |          MASTER-IAC | (20h 51m 30.11s , +42d 55m 35.2s) |   C |    60 | 18.4 |        
   40262 | 2021-05-16 02:07:18 |          MASTER-IAC | (21h 11m 47.54s , +48d 38m 27.1s) |   C |    60 | 17.8 |        
   40262 | 2021-05-16 02:07:18 |          MASTER-IAC | (20h 59m 32.52s , +48d 44m 15.0s) |   C |    60 | 17.4 |        
   40342 | 2021-05-16 02:08:38 |          MASTER-IAC | (20h 48m 20.22s , +46d 43m 19.9s) |   C |    60 | 18.0 |        
   41430 | 2021-05-16 02:26:45 |          MASTER-IAC | (21h 11m 42.76s , +48d 38m 30.2s) |   C |    60 | 17.9 |        
   41430 | 2021-05-16 02:26:45 |          MASTER-IAC | (20h 59m 27.20s , +48d 44m 16.6s) |   C |    60 | 17.4 |        
   41510 | 2021-05-16 02:28:05 |          MASTER-IAC | (20h 48m 23.27s , +46d 44m 04.1s) |   C |    60 | 18.0 |        
   42590 | 2021-05-16 02:46:05 |          MASTER-IAC | (21h 11m 46.30s , +48d 38m 01.6s) |   C |    60 | 18.0 |        
   42590 | 2021-05-16 02:46:05 |          MASTER-IAC | (20h 59m 30.28s , +48d 43m 48.8s) |   C |    60 | 17.5 |        
   42670 | 2021-05-16 02:47:25 |          MASTER-IAC | (20h 48m 19.79s , +46d 43m 25.0s) |   C |    60 | 18.0 |        
   46545 | 2021-05-16 03:52:01 |          MASTER-IAC | (20h 48m 45.61s , +48d 37m 25.6s) |   C |    60 | 18.2 |        
   47499 | 2021-05-16 04:07:54 |          MASTER-IAC | (20h 48m 46.65s , +48d 38m 56.6s) |   C |    60 | 18.2 |        
   48418 | 2021-05-16 04:23:14 |          MASTER-IAC | (20h 48m 45.91s , +48d 38m 01.1s) |   C |    60 | 18.2 |        
   62273 | 2021-05-16 08:14:09 |         MASTER-OAFA | (21h 01m 31.14s , +42d 15m 11.4s) |   C |    60 | 17.2 |        
   63122 | 2021-05-16 08:28:18 |         MASTER-OAFA | (20h 49m 27.58s , +44d 08m 49.0s) |   C |    60 | 17.4 |        
   64621 | 2021-05-16 08:53:16 |         MASTER-OAFA | (21h 01m 29.71s , +42d 14m 16.2s) |   C |    60 | 17.2 |        
   68116 | 2021-05-16 09:51:31 |         MASTER-OAFA | (20h 49m 21.11s , +44d 09m 26.8s) |   C |    60 | 16.8 |        
   68991 | 2021-05-16 10:06:07 |         MASTER-OAFA | (21h 01m 28.22s , +42d 14m 11.6s) |   C |    60 | 16.7 |        
   69230 | 2021-05-16 10:10:05 |         MASTER-OAFA | (20h 49m 23.30s , +44d 09m 13.6s) |   C |    60 | 16.8 |        
   69309 | 2021-05-16 10:11:25 |         MASTER-OAFA | (20h 59m 36.11s , +44d 09m 20.2s) |   C |    60 | 16.4 |        
   69388 | 2021-05-16 10:12:44 |         MASTER-OAFA | (21h 10m 46.40s , +44d 08m 10.1s) |   C |    60 | 16.5 |        
   69469 | 2021-05-16 10:14:04 |         MASTER-OAFA | (20h 58m 59.38s , +46d 02m 15.7s) |   C |    60 | 15.8 |        
   69548 | 2021-05-16 10:15:24 |         MASTER-OAFA | (21h 10m 34.40s , +46d 01m 04.3s) |   C |    60 | 15.9 |        
   69708 | 2021-05-16 10:18:03 |         MASTER-OAFA | (20h 48m 26.32s , +46d 01m 50.4s) |   C |    60 | 16.0 |        
   70269 | 2021-05-16 10:27:25 |         MASTER-OAFA | (20h 59m 28.58s , +44d 08m 14.6s) |   C |    60 | 15.7 |        
   70348 | 2021-05-16 10:28:44 |         MASTER-OAFA | (21h 10m 45.66s , +44d 09m 03.2s) |   C |    60 | 15.7 |        
   70428 | 2021-05-16 10:30:04 |         MASTER-OAFA | (20h 59m 00.13s , +46d 02m 07.4s) |   C |    60 | 15.2 |        
   70508 | 2021-05-16 10:31:23 |         MASTER-OAFA | (21h 10m 34.05s , +46d 00m 56.5s) |   C |    60 | 14.8 |        
   70667 | 2021-05-16 10:34:02 |         MASTER-OAFA | (20h 48m 25.91s , +46d 03m 16.4s) |   C |    60 | 13.9 |        
  108864 | 2021-05-16 21:10:40 |   MASTER-Kislovodsk | (21h 05m 34.50s , +44d 58m 58.9s) |   C |    60 | 17.1 |        
  108864 | 2021-05-16 21:10:40 |   MASTER-Kislovodsk | (21h 11m 08.11s , +44d 34m 48.9s) |   C |    60 | 18.1 |        
  109826 | 2021-05-16 21:26:42 |   MASTER-Kislovodsk | (21h 05m 29.97s , +44d 58m 24.2s) |   C |    60 | 17.3 |        
  109826 | 2021-05-16 21:26:42 |   MASTER-Kislovodsk | (21h 11m 06.35s , +44d 34m 16.6s) |   C |    60 | 18.0 |        
  110824 | 2021-05-16 21:43:20 |   MASTER-Kislovodsk | (21h 05m 32.78s , +44d 59m 48.6s) |   C |    60 | 17.3 |        
  110824 | 2021-05-16 21:43:20 |   MASTER-Kislovodsk | (21h 11m 11.90s , +44d 35m 47.0s) |   C |    60 | 17.3 |        
  111105 | 2021-05-16 21:48:01 |   MASTER-Kislovodsk | (21h 05m 09.84s , +46d 52m 50.1s) |   C |    60 | 17.2 |        
  111105 | 2021-05-16 21:48:01 |   MASTER-Kislovodsk | (21h 10m 59.41s , +46d 28m 47.9s) |   C |    60 | 17.5 |        
  112267 | 2021-05-16 22:07:22 |   MASTER-Kislovodsk | (21h 10m 53.91s , +46d 30m 41.7s) |   C |    60 | 17.8 |        
  112267 | 2021-05-16 22:07:22 |   MASTER-Kislovodsk | (21h 04m 44.95s , +46d 54m 52.3s) |   C |    60 | 17.5 |        
  113429 | 2021-05-16 22:26:45 |   MASTER-Kislovodsk | (21h 04m 47.57s , +46d 53m 26.8s) |   C |    60 | 17.0 |        
  113429 | 2021-05-16 22:26:45 |   MASTER-Kislovodsk | (21h 10m 58.73s , +46d 29m 17.0s) |   C |    60 | 17.4 |        
  114447 | 2021-05-16 22:43:43 |      MASTER-Tavrida | (20h 57m 51.48s , +44d 02m 07.3s) |   C |    60 | 16.6 |        
  114527 | 2021-05-16 22:45:02 |      MASTER-Tavrida | (21h 09m 09.79s , +44d 00m 25.3s) |   C |    60 | 16.2 |        
  148977 | 2021-05-17 08:19:13 |         MASTER-OAFA | (21h 01m 02.58s , +43d 36m 23.5s) |   C |    60 | 17.1 |        
  149269 | 2021-05-17 08:24:05 |         MASTER-OAFA | (21h 11m 51.35s , +43d 36m 11.3s) |   C |    60 | 16.8 |        
  149926 | 2021-05-17 08:35:02 |         MASTER-OAFA | (20h 49m 04.77s , +45d 30m 48.2s) |   C |    60 | 17.3 |        
  150705 | 2021-05-17 08:48:00 |         MASTER-OAFA | (21h 01m 05.78s , +43d 34m 47.6s) |   C |    60 | 17.2 |        
  150784 | 2021-05-17 08:49:20 |         MASTER-OAFA | (21h 11m 56.92s , +43d 35m 53.2s) |   C |    60 | 17.1 |        
  152228 | 2021-05-17 09:13:24 |         MASTER-OAFA | (20h 49m 09.19s , +45d 31m 51.1s) |   C |    60 | 17.3 |        
  152308 | 2021-05-17 09:14:43 |         MASTER-OAFA | (21h 01m 04.45s , +43d 36m 18.0s) |   C |    60 | 17.3 |        
  152387 | 2021-05-17 09:16:03 |         MASTER-OAFA | (21h 11m 58.62s , +43d 36m 53.4s) |   C |    60 | 17.2 |        
  152466 | 2021-05-17 09:17:22 |         MASTER-OAFA | (21h 20m 35.02s , +45d 28m 45.8s) |   C |    60 | 17.4 |        
  153220 | 2021-05-17 09:29:56 |         MASTER-OAFA | (20h 49m 14.50s , +45d 30m 28.5s) |   C |    60 | 17.1 |        
  153387 | 2021-05-17 09:32:43 |         MASTER-OAFA | (21h 20m 42.64s , +45d 30m 49.1s) |   C |    60 | 17.3 |        
  154494 | 2021-05-17 09:51:09 |         MASTER-OAFA | (21h 20m 39.80s , +45d 30m 07.5s) |   C |    60 | 17.3 |        
  155819 | 2021-05-17 10:13:15 |         MASTER-OAFA | (20h 59m 28.36s , +45d 31m 57.4s) |   C |    60 | 17.0 |        
  155899 | 2021-05-17 10:14:34 |         MASTER-OAFA | (21h 10m 37.17s , +45d 30m 33.0s) |   C |    60 | 16.9 |        
  155978 | 2021-05-17 10:15:54 |         MASTER-OAFA | (20h 58m 50.64s , +47d 27m 00.0s) |   C |    60 | 16.8 |        
  156058 | 2021-05-17 10:17:13 |         MASTER-OAFA | (21h 10m 29.46s , +47d 25m 09.2s) |   C |    60 | 16.5 |        
  156302 | 2021-05-17 10:21:18 |         MASTER-OAFA | (20h 48m 25.03s , +47d 26m 49.4s) |   C |    60 | 16.6 |        
  156461 | 2021-05-17 10:23:57 |         MASTER-OAFA | (20h 51m 30.96s , +43d 39m 08.3s) |   C |    60 | 16.6 |        
  156782 | 2021-05-17 10:29:18 |         MASTER-OAFA | (20h 59m 24.92s , +45d 33m 21.8s) |   C |    60 | 16.0 |        
  156861 | 2021-05-17 10:30:37 |         MASTER-OAFA | (21h 10m 45.51s , +45d 31m 56.3s) |   C |    60 | 15.8 |        
  156942 | 2021-05-17 10:31:58 |         MASTER-OAFA | (20h 58m 48.87s , +47d 25m 37.4s) |   C |    60 | 15.6 |        
  157022 | 2021-05-17 10:33:18 |         MASTER-OAFA | (21h 10m 34.88s , +47d 25m 16.1s) |   C |    60 | 15.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4245
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 210515B ( Fermi GBM team, GCN 30016) errorbox  11999 sec after notice time and 12030 sec after trigger time at 2021-05-15 18:17:16 UT, with upper limit up to  18.9 mag. Observations started at twilight.  The observations began at zenith distance = 80 deg. The sun  altitude  is -16.8 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 210515B errorbox  19464 sec after notice time and 19495 sec after trigger time at 2021-05-15 20:21:41 UT, with upper limit up to  18.9 mag. The observations began at zenith distance = 69 deg. The sun  altitude  is -24.6 deg. 

MASTER-IAC robotic telescope  located in Spain (IAC Teide Observatory) started inspect of the FERMI GRB 210515B errorbox  33817 sec after notice time and 33847 sec after trigger time at 2021-05-16 00:20:54 UT, with upper limit up to  18.4 mag. The observations began at zenith distance = 71 deg. The sun  altitude  is -42.1 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 210515B errorbox  62212 sec after notice time and 62243 sec after trigger time at 2021-05-16 08:14:09 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -38.6 deg. 

The galactic latitude b = -0 deg., longitude l = 87 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1613711

We obtain a following upper limits.  

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

     109 | 2021-05-15 14:58:25 |             MASTER- | (21h 06m 02.23s , +47d 23m 09.8s) |   C |    20 | 16.2 |        
     184 | 2021-05-15 14:59:35 |             MASTER- | (21h 04m 42.79s , +45d 59m 02.9s) |   C |    30 | 16.4 |        
    1302 | 2021-05-15 15:18:17 |             MASTER- | (21h 04m 33.28s , +45d 13m 33.8s) |   C |    20 | 16.8 |        
    1332 | 2021-05-15 15:18:48 |             MASTER- | (21h 15m 40.72s , +45d 11m 58.3s) |   C |    20 | 16.6 |        
    1363 | 2021-05-15 15:19:18 |             MASTER- | (21h 04m 09.82s , +47d 06m 43.4s) |   C |    20 | 16.4 |        
    1425 | 2021-05-15 15:20:20 |             MASTER- | (20h 43m 07.59s , +45d 15m 09.1s) |   C |    20 | 17.2 |        
    1455 | 2021-05-15 15:20:51 |             MASTER- | (20h 54m 22.64s , +45d 12m 47.8s) |   C |    20 | 17.0 |        
    1486 | 2021-05-15 15:21:21 |             MASTER- | (21h 06m 08.80s , +43d 18m 34.5s) |   C |    20 | 17.0 |        
    1546 | 2021-05-15 15:22:22 |             MASTER- | (20h 41m 56.56s , +47d 07m 21.0s) |   C |    20 | 17.0 |        
    1579 | 2021-05-15 15:22:54 |             MASTER- | (20h 53m 41.36s , +47d 06m 37.3s) |   C |    20 | 16.8 |        
    1609 | 2021-05-15 15:23:25 |             MASTER- | (21h 05m 07.73s , +48d 59m 53.2s) |   C |    20 | 17.2 |        
    2226 | 2021-05-15 15:33:42 |             MASTER- | (21h 04m 28.00s , +45d 14m 10.8s) |   C |    20 | 16.9 |        
    2258 | 2021-05-15 15:34:14 |             MASTER- | (21h 15m 48.32s , +45d 12m 24.6s) |   C |    20 | 17.2 |        
    2291 | 2021-05-15 15:34:47 |             MASTER- | (21h 04m 05.16s , +47d 06m 15.7s) |   C |    20 | 16.6 |        
    2323 | 2021-05-15 15:35:19 |             MASTER- | (21h 15m 48.75s , +47d 05m 58.6s) |   C |    20 | 17.0 |        
    2389 | 2021-05-15 15:36:24 |             MASTER- | (20h 54m 24.69s , +45d 13m 15.4s) |   C |    20 | 17.4 |        
    2422 | 2021-05-15 15:36:58 |             MASTER- | (21h 06m 17.95s , +43d 20m 01.6s) |   C |    20 | 17.1 |        
    2484 | 2021-05-15 15:37:59 |             MASTER- | (20h 41m 59.09s , +47d 10m 00.2s) |   C |    20 | 17.0 |        
    2513 | 2021-05-15 15:38:29 |             MASTER- | (20h 53m 44.11s , +47d 08m 10.4s) |   C |    20 | 16.9 |        
    2547 | 2021-05-15 15:39:03 |             MASTER- | (21h 05m 06.54s , +49d 00m 25.3s) |   C |    20 | 17.4 |        
    2638 | 2021-05-15 15:40:34 |             MASTER- | (20h 56m 26.27s , +43d 19m 00.9s) |   C |    20 | 17.8 |        
    3137 | 2021-05-15 15:48:52 |             MASTER- | (21h 04m 33.72s , +45d 13m 21.3s) |   C |    20 | 16.5 |        
    3166 | 2021-05-15 15:49:22 |             MASTER- | (21h 15m 51.63s , +45d 13m 45.9s) |   C |    20 | 17.0 |        
    3200 | 2021-05-15 15:49:56 |             MASTER- | (21h 04m 08.23s , +47d 07m 58.2s) |   C |    20 | 15.9 |        
    3230 | 2021-05-15 15:50:26 |             MASTER- | (21h 15m 46.86s , +47d 08m 12.0s) |   C |    20 | 16.7 |        
    3291 | 2021-05-15 15:51:27 |             MASTER- | (20h 54m 23.31s , +45d 13m 44.7s) |   C |    20 | 16.7 |        
    3324 | 2021-05-15 15:52:00 |             MASTER- | (21h 06m 19.64s , +43d 19m 16.3s) |   C |    20 | 16.7 |        
    3386 | 2021-05-15 15:53:01 |             MASTER- | (20h 42m 04.44s , +47d 09m 14.9s) |   C |    20 | 16.2 |        
    3415 | 2021-05-15 15:53:31 |             MASTER- | (20h 53m 46.50s , +47d 09m 36.7s) |   C |    20 | 16.8 |        
    3448 | 2021-05-15 15:54:04 |             MASTER- | (21h 05m 10.58s , +49d 02m 10.8s) |   C |    20 | 15.1 |        
    3509 | 2021-05-15 15:55:05 |             MASTER- | (20h 45m 38.00s , +43d 21m 30.8s) |   C |    20 | 16.5 |        
    3539 | 2021-05-15 15:55:34 |             MASTER- | (20h 56m 26.18s , +43d 19m 46.8s) |   C |    20 | 16.3 |        
   12061 | 2021-05-15 18:17:16 |   MASTER-Kislovodsk | (21h 05m 23.40s , +44d 55m 15.5s) |   C |    60 | 15.6 |        
   12061 | 2021-05-15 18:17:16 |   MASTER-Kislovodsk | (21h 10m 52.80s , +44d 29m 34.6s) |   C |    60 | 14.2 |        
   12221 | 2021-05-15 18:19:57 |   MASTER-Kislovodsk | (21h 05m 04.57s , +46d 48m 41.2s) |   C |    60 | 16.3 |        
   12221 | 2021-05-15 18:19:57 |   MASTER-Kislovodsk | (21h 10m 39.76s , +46d 23m 00.4s) |   C |    60 | 16.6 |        
   13029 | 2021-05-15 18:33:24 |   MASTER-Kislovodsk | (21h 05m 09.61s , +44d 54m 34.9s) |   C |    60 | 15.1 |        
   13029 | 2021-05-15 18:33:25 |   MASTER-Kislovodsk | (21h 10m 50.76s , +44d 29m 00.6s) |   C |    60 | 16.1 |        
   13189 | 2021-05-15 18:36:05 |   MASTER-Kislovodsk | (21h 05m 03.24s , +46d 49m 30.6s) |   C |    60 | 13.5 |        
   13189 | 2021-05-15 18:36:05 |   MASTER-Kislovodsk | (21h 10m 36.52s , +46d 23m 57.9s) |   C |    60 | 14.5 |        
   14000 | 2021-05-15 18:49:36 |   MASTER-Kislovodsk | (21h 05m 13.63s , +44d 55m 49.2s) |   C |    60 | 16.6 |        
   14000 | 2021-05-15 18:49:36 |   MASTER-Kislovodsk | (21h 10m 55.26s , +44d 30m 22.9s) |   C |    60 | 15.5 |        
   14160 | 2021-05-15 18:52:16 |   MASTER-Kislovodsk | (21h 05m 09.83s , +46d 49m 12.2s) |   C |    60 | 16.9 |        
   14160 | 2021-05-15 18:52:16 |   MASTER-Kislovodsk | (21h 10m 43.83s , +46d 23m 47.2s) |   C |    60 | 17.4 |        
   18173 | 2021-05-15 19:59:09 |   MASTER-Kislovodsk | (20h 44m 04.78s , +44d 56m 31.4s) |   C |    60 | 17.6 |        
   18173 | 2021-05-15 19:59:09 |   MASTER-Kislovodsk | (20h 49m 32.39s , +44d 31m 43.0s) |   C |    60 | 18.2 |        
   19101 | 2021-05-15 20:14:37 |   MASTER-Kislovodsk | (20h 44m 01.67s , +44d 58m 50.9s) |   C |    60 | 17.8 |        
   19102 | 2021-05-15 20:14:37 |   MASTER-Kislovodsk | (20h 49m 30.47s , +44d 34m 05.1s) |   C |    60 | 18.6 |        
   19525 | 2021-05-15 20:21:41 |      MASTER-Tavrida | (21h 09m 14.90s , +44d 01m 10.9s) |   C |    60 | 17.6 |        
   20400 | 2021-05-15 20:36:16 |      MASTER-Tavrida | (20h 58m 10.60s , +43d 59m 47.4s) |   C |    60 | 17.6 |        
   20479 | 2021-05-15 20:37:35 |      MASTER-Tavrida | (21h 09m 23.89s , +44d 01m 08.4s) |   C |    60 | 17.4 |        
   20533 | 2021-05-15 20:38:29 |   MASTER-Kislovodsk | (20h 43m 45.21s , +44d 59m 02.9s) |   C |    60 | 17.9 |        
   20533 | 2021-05-15 20:38:29 |   MASTER-Kislovodsk | (20h 49m 35.97s , +44d 34m 39.2s) |   C |    60 | 18.5 |        
   21412 | 2021-05-15 20:53:07 |      MASTER-Tavrida | (20h 58m 08.70s , +44d 01m 25.6s) |   C |    60 | 13.7 |        
   21491 | 2021-05-15 20:54:27 |      MASTER-Tavrida | (21h 09m 19.37s , +44d 00m 13.1s) |   C |    60 | 13.0 |        
   21880 | 2021-05-15 21:00:56 |      MASTER-Tavrida | (21h 08m 58.63s , +45d 55m 28.6s) |   C |    60 | 16.9 |        
   22560 | 2021-05-15 21:12:16 |      MASTER-Tavrida | (20h 57m 16.90s , +45d 54m 02.9s) |   C |    60 | 16.9 |        
   22800 | 2021-05-15 21:16:15 |      MASTER-Tavrida | (21h 09m 08.53s , +45d 54m 24.9s) |   C |    60 | 14.3 |        
   23609 | 2021-05-15 21:29:45 |      MASTER-Tavrida | (20h 57m 19.27s , +45d 56m 02.5s) |   C |    60 | 16.3 |        
   23848 | 2021-05-15 21:33:44 |      MASTER-Tavrida | (21h 09m 07.96s , +45d 53m 47.7s) |   C |    60 | 16.1 |        
   24074 | 2021-05-15 21:37:30 |   MASTER-Kislovodsk | (21h 07m 13.21s , +43d 04m 49.2s) |   C |    60 | 17.5 |        
   24234 | 2021-05-15 21:40:10 |   MASTER-Kislovodsk | (20h 42m 50.06s , +46d 54m 05.8s) |   C |    60 | 17.7 |        
   24235 | 2021-05-15 21:40:10 |   MASTER-Kislovodsk | (20h 48m 41.99s , +46d 29m 55.6s) |   C |    60 | 18.2 |        
   24315 | 2021-05-15 21:41:30 |   MASTER-Kislovodsk | (21h 06m 02.84s , +48d 48m 31.7s) |   C |    60 | 17.8 |        
   24315 | 2021-05-15 21:41:30 |   MASTER-Kislovodsk | (21h 12m 05.93s , +48d 24m 16.5s) |   C |    60 | 18.2 |        
   25036 | 2021-05-15 21:53:32 |   MASTER-Kislovodsk | (21h 07m 14.18s , +43d 05m 53.3s) |   C |    60 | 17.8 |        
   25196 | 2021-05-15 21:56:12 |   MASTER-Kislovodsk | (20h 42m 39.94s , +46d 53m 51.6s) |   C |    60 | 17.8 |        
   25196 | 2021-05-15 21:56:12 |   MASTER-Kislovodsk | (20h 48m 48.31s , +46d 29m 43.3s) |   C |    60 | 18.3 |        
   25277 | 2021-05-15 21:57:32 |   MASTER-Kislovodsk | (21h 05m 51.28s , +48d 48m 32.4s) |   C |    60 | 17.6 |        
   25277 | 2021-05-15 21:57:32 |   MASTER-Kislovodsk | (21h 12m 11.19s , +48d 24m 20.1s) |   C |    60 | 18.2 |        
   25998 | 2021-05-15 22:09:34 |   MASTER-Kislovodsk | (21h 07m 11.10s , +43d 05m 42.5s) |   C |    60 | 17.9 |        
   26159 | 2021-05-15 22:12:15 |   MASTER-Kislovodsk | (20h 42m 29.18s , +46d 54m 51.1s) |   C |    60 | 17.8 |        
   26159 | 2021-05-15 22:12:15 |   MASTER-Kislovodsk | (20h 48m 43.64s , +46d 30m 47.9s) |   C |    60 | 18.3 |        
   26240 | 2021-05-15 22:13:35 |   MASTER-Kislovodsk | (21h 05m 43.22s , +48d 49m 18.7s) |   C |    60 | 17.9 |        
   26240 | 2021-05-15 22:13:35 |   MASTER-Kislovodsk | (21h 12m 09.42s , +48d 25m 10.7s) |   C |    60 | 18.3 |        
   26961 | 2021-05-15 22:25:37 |   MASTER-Kislovodsk | (20h 51m 58.87s , +42d 43m 06.0s) |   C |    60 | 18.9 |        
   27882 | 2021-05-15 22:40:58 |   MASTER-Kislovodsk | (20h 51m 59.99s , +42d 43m 35.4s) |   C |    60 | 18.7 |        
   29045 | 2021-05-15 23:00:21 |   MASTER-Kislovodsk | (20h 52m 02.67s , +42d 44m 54.3s) |   C |    60 | 17.5 |        
   30667 | 2021-05-15 23:27:23 |   MASTER-Kislovodsk | (20h 49m 19.50s , +48d 25m 50.2s) |   C |    60 | 17.1 |        
   31628 | 2021-05-15 23:43:24 |   MASTER-Kislovodsk | (20h 49m 14.71s , +48d 27m 24.6s) |   C |    60 | 18.3 |        
   32592 | 2021-05-15 23:59:28 |   MASTER-Kislovodsk | (20h 49m 19.81s , +48d 27m 10.5s) |   C |    60 | 18.3 |        
   33104 | 2021-05-16 00:08:00 |      MASTER-Tavrida | (20h 47m 30.32s , +44d 02m 54.9s) |   C |    60 | 18.9 |        
   33878 | 2021-05-16 00:20:54 |          MASTER-IAC | (20h 58m 19.35s , +46d 43m 35.2s) |   C |    60 | 17.3 |        
   33878 | 2021-05-16 00:20:54 |          MASTER-IAC | (21h 10m 10.29s , +46d 37m 58.8s) |   C |    60 | 16.4 |        
   33960 | 2021-05-16 00:22:16 |          MASTER-IAC | (20h 58m 53.97s , +44d 50m 35.2s) |   C |    60 | 17.4 |        
   33960 | 2021-05-16 00:22:16 |          MASTER-IAC | (21h 10m 21.50s , +44d 44m 58.5s) |   C |    60 | 16.7 |        
   34260 | 2021-05-16 00:27:16 |      MASTER-Tavrida | (20h 46m 27.12s , +45d 56m 54.7s) |   C |    60 | 18.4 |        
   34340 | 2021-05-16 00:28:35 |      MASTER-Tavrida | (20h 47m 33.91s , +44d 01m 51.7s) |   C |    60 | 18.8 |        
   34812 | 2021-05-16 00:36:27 |      MASTER-Tavrida | (20h 57m 47.69s , +47d 50m 32.2s) |   C |    60 | 18.1 |        
   34891 | 2021-05-16 00:37:47 |      MASTER-Tavrida | (21h 10m 00.30s , +47d 49m 17.9s) |   C |    60 | 17.9 |        
   34991 | 2021-05-16 00:39:27 |          MASTER-IAC | (20h 58m 24.60s , +46d 43m 04.3s) |   C |    60 | 17.4 |        
   34991 | 2021-05-16 00:39:27 |          MASTER-IAC | (21h 10m 15.97s , +46d 37m 33.2s) |   C |    60 | 16.6 |        
   35071 | 2021-05-16 00:40:47 |          MASTER-IAC | (20h 58m 56.10s , +44d 50m 27.6s) |   C |    60 | 17.5 |        
   35071 | 2021-05-16 00:40:47 |          MASTER-IAC | (21h 10m 23.93s , +44d 44m 56.3s) |   C |    60 | 16.8 |        
   35360 | 2021-05-16 00:45:35 |      MASTER-Tavrida | (20h 46m 35.40s , +45d 55m 38.3s) |   C |    60 | 17.1 |        
   35439 | 2021-05-16 00:46:55 |      MASTER-Tavrida | (20h 47m 31.11s , +44d 00m 36.6s) |   C |    60 | 17.4 |        
   36019 | 2021-05-16 00:56:35 |      MASTER-Tavrida | (20h 57m 44.31s , +47d 50m 30.5s) |   C |    60 | 15.8 |        
   36099 | 2021-05-16 00:57:55 |      MASTER-Tavrida | (21h 09m 56.34s , +47d 49m 17.6s) |   C |    60 | 15.1 |        
   36100 | 2021-05-16 00:57:56 |          MASTER-IAC | (20h 58m 17.53s , +46d 43m 46.1s) |   C |    60 | 17.5 |        
   36100 | 2021-05-16 00:57:56 |          MASTER-IAC | (21h 10m 09.08s , +46d 38m 20.0s) |   C |    60 | 16.8 |        
   36180 | 2021-05-16 00:59:16 |          MASTER-IAC | (20h 58m 52.95s , +44d 50m 45.8s) |   C |    60 | 17.7 |        
   36180 | 2021-05-16 00:59:16 |          MASTER-IAC | (21h 10m 20.98s , +44d 45m 19.3s) |   C |    60 | 17.1 |        
   36439 | 2021-05-16 01:03:35 |      MASTER-Tavrida | (20h 46m 32.10s , +45d 54m 43.9s) |   C |    60 | 15.1 |        
   37037 | 2021-05-16 01:13:33 |      MASTER-Tavrida | (20h 57m 47.19s , +47d 48m 41.7s) |   C |    60 | 15.0 |        
   37117 | 2021-05-16 01:14:52 |      MASTER-Tavrida | (21h 09m 50.62s , +47d 49m 57.8s) |   C |    60 | 14.6 |        
   37169 | 2021-05-16 01:15:45 |          MASTER-IAC | (21h 00m 50.04s , +42d 55m 12.1s) |   C |    60 | 18.0 |        
   37169 | 2021-05-16 01:15:45 |          MASTER-IAC | (21h 11m 57.75s , +42d 49m 43.0s) |   C |    60 | 17.2 |        
   37249 | 2021-05-16 01:17:05 |          MASTER-IAC | (20h 48m 56.55s , +44d 45m 60.0s) |   C |    60 | 17.6 |        
   37338 | 2021-05-16 01:18:34 |          MASTER-IAC | (20h 51m 08.55s , +42d 50m 28.3s) |   C |    60 | 17.6 |        
   38192 | 2021-05-16 01:32:48 |          MASTER-IAC | (21h 00m 49.04s , +42d 57m 08.8s) |   C |    60 | 18.1 |        
   38192 | 2021-05-16 01:32:48 |          MASTER-IAC | (21h 11m 56.99s , +42d 51m 40.0s) |   C |    60 | 17.3 |        
   38272 | 2021-05-16 01:34:08 |          MASTER-IAC | (20h 48m 53.25s , +44d 45m 10.5s) |   C |    60 | 17.6 |        
   38353 | 2021-05-16 01:35:29 |          MASTER-IAC | (20h 51m 04.45s , +42d 52m 06.5s) |   C |    60 | 17.7 |        
   39223 | 2021-05-16 01:49:59 |          MASTER-IAC | (21h 00m 48.89s , +42d 56m 14.4s) |   C |    60 | 18.3 |        
   39223 | 2021-05-16 01:49:59 |          MASTER-IAC | (21h 11m 56.86s , +42d 50m 40.7s) |   C |    60 | 17.4 |        
   39312 | 2021-05-16 01:51:28 |          MASTER-IAC | (20h 49m 10.97s , +44d 49m 16.3s) |   C |    60 | 18.2 |        
   39392 | 2021-05-16 01:52:48 |          MASTER-IAC | (20h 51m 30.11s , +42d 55m 35.2s) |   C |    60 | 18.4 |        
   40262 | 2021-05-16 02:07:18 |          MASTER-IAC | (21h 11m 47.54s , +48d 38m 27.1s) |   C |    60 | 17.8 |        
   40262 | 2021-05-16 02:07:18 |          MASTER-IAC | (20h 59m 32.52s , +48d 44m 15.0s) |   C |    60 | 17.4 |        
   40342 | 2021-05-16 02:08:38 |          MASTER-IAC | (20h 48m 20.22s , +46d 43m 19.9s) |   C |    60 | 18.0 |        
   41430 | 2021-05-16 02:26:45 |          MASTER-IAC | (21h 11m 42.76s , +48d 38m 30.2s) |   C |    60 | 17.9 |        
   41430 | 2021-05-16 02:26:45 |          MASTER-IAC | (20h 59m 27.20s , +48d 44m 16.6s) |   C |    60 | 17.4 |        
   41510 | 2021-05-16 02:28:05 |          MASTER-IAC | (20h 48m 23.27s , +46d 44m 04.1s) |   C |    60 | 18.0 |        
   42590 | 2021-05-16 02:46:05 |          MASTER-IAC | (21h 11m 46.30s , +48d 38m 01.6s) |   C |    60 | 18.0 |        
   42590 | 2021-05-16 02:46:05 |          MASTER-IAC | (20h 59m 30.28s , +48d 43m 48.8s) |   C |    60 | 17.5 |        
   42670 | 2021-05-16 02:47:25 |          MASTER-IAC | (20h 48m 19.79s , +46d 43m 25.0s) |   C |    60 | 18.0 |        
   46545 | 2021-05-16 03:52:01 |          MASTER-IAC | (20h 48m 45.61s , +48d 37m 25.6s) |   C |    60 | 18.2 |        
   47499 | 2021-05-16 04:07:54 |          MASTER-IAC | (20h 48m 46.65s , +48d 38m 56.6s) |   C |    60 | 18.2 |        
   48418 | 2021-05-16 04:23:14 |          MASTER-IAC | (20h 48m 45.91s , +48d 38m 01.1s) |   C |    60 | 18.2 |        
   62273 | 2021-05-16 08:14:09 |         MASTER-OAFA | (21h 01m 31.14s , +42d 15m 11.4s) |   C |    60 | 17.2 |        
   63122 | 2021-05-16 08:28:18 |         MASTER-OAFA | (20h 49m 27.58s , +44d 08m 49.0s) |   C |    60 | 17.4 |        
   64621 | 2021-05-16 08:53:16 |         MASTER-OAFA | (21h 01m 29.71s , +42d 14m 16.2s) |   C |    60 | 17.2 |        
   68116 | 2021-05-16 09:51:31 |         MASTER-OAFA | (20h 49m 21.11s , +44d 09m 26.8s) |   C |    60 | 16.8 |        
   68991 | 2021-05-16 10:06:07 |         MASTER-OAFA | (21h 01m 28.22s , +42d 14m 11.6s) |   C |    60 | 16.7 |        
   69230 | 2021-05-16 10:10:05 |         MASTER-OAFA | (20h 49m 23.30s , +44d 09m 13.6s) |   C |    60 | 16.8 |        
   69309 | 2021-05-16 10:11:25 |         MASTER-OAFA | (20h 59m 36.11s , +44d 09m 20.2s) |   C |    60 | 16.4 |        
   69388 | 2021-05-16 10:12:44 |         MASTER-OAFA | (21h 10m 46.40s , +44d 08m 10.1s) |   C |    60 | 16.5 |        
   69469 | 2021-05-16 10:14:04 |         MASTER-OAFA | (20h 58m 59.38s , +46d 02m 15.7s) |   C |    60 | 15.8 |        
   69548 | 2021-05-16 10:15:24 |         MASTER-OAFA | (21h 10m 34.40s , +46d 01m 04.3s) |   C |    60 | 15.9 |        
   69708 | 2021-05-16 10:18:03 |         MASTER-OAFA | (20h 48m 26.32s , +46d 01m 50.4s) |   C |    60 | 16.0 |        
   70269 | 2021-05-16 10:27:25 |         MASTER-OAFA | (20h 59m 28.58s , +44d 08m 14.6s) |   C |    60 | 15.7 |        
   70348 | 2021-05-16 10:28:44 |         MASTER-OAFA | (21h 10m 45.66s , +44d 09m 03.2s) |   C |    60 | 15.7 |        
   70428 | 2021-05-16 10:30:04 |         MASTER-OAFA | (20h 59m 00.13s , +46d 02m 07.4s) |   C |    60 | 15.2 |        
   70508 | 2021-05-16 10:31:23 |         MASTER-OAFA | (21h 10m 34.05s , +46d 00m 56.5s) |   C |    60 | 14.8 |        
   70667 | 2021-05-16 10:34:02 |         MASTER-OAFA | (20h 48m 25.91s , +46d 03m 16.4s) |   C |    60 | 13.9 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
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  ID = 4239
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 210515B ( Fermi GBM team, GCN 30016) errorbox  11999 sec after notice time and 12030 sec after trigger time at 2021-05-15 18:17:16 UT, with upper limit up to  16.6 mag. Observations started at twilight.  The observations began at zenith distance = 80 deg. The sun  altitude  is -16.8 deg. 

The galactic latitude b = -0 deg., longitude l = 87 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1613711

We obtain a following upper limits.  

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

     109 | 2021-05-15 14:58:25 |             MASTER- | (21h 06m 02.23s , +47d 23m 09.8s) |   C |    20 | 16.2 |        
     184 | 2021-05-15 14:59:35 |             MASTER- | (21h 04m 42.79s , +45d 59m 02.9s) |   C |    30 | 16.4 |        
    1302 | 2021-05-15 15:18:17 |             MASTER- | (21h 04m 33.28s , +45d 13m 33.8s) |   C |    20 | 16.8 |        
    1332 | 2021-05-15 15:18:48 |             MASTER- | (21h 15m 40.72s , +45d 11m 58.3s) |   C |    20 | 16.6 |        
    1363 | 2021-05-15 15:19:18 |             MASTER- | (21h 04m 09.82s , +47d 06m 43.4s) |   C |    20 | 16.4 |        
    1425 | 2021-05-15 15:20:20 |             MASTER- | (20h 43m 07.59s , +45d 15m 09.1s) |   C |    20 | 17.2 |        
    1455 | 2021-05-15 15:20:51 |             MASTER- | (20h 54m 22.64s , +45d 12m 47.8s) |   C |    20 | 17.0 |        
    1486 | 2021-05-15 15:21:21 |             MASTER- | (21h 06m 08.80s , +43d 18m 34.5s) |   C |    20 | 17.0 |        
    1546 | 2021-05-15 15:22:22 |             MASTER- | (20h 41m 56.56s , +47d 07m 21.0s) |   C |    20 | 17.0 |        
    1579 | 2021-05-15 15:22:54 |             MASTER- | (20h 53m 41.36s , +47d 06m 37.3s) |   C |    20 | 16.8 |        
    1609 | 2021-05-15 15:23:25 |             MASTER- | (21h 05m 07.73s , +48d 59m 53.2s) |   C |    20 | 17.2 |        
    2226 | 2021-05-15 15:33:42 |             MASTER- | (21h 04m 28.00s , +45d 14m 10.8s) |   C |    20 | 16.9 |        
    2258 | 2021-05-15 15:34:14 |             MASTER- | (21h 15m 48.32s , +45d 12m 24.6s) |   C |    20 | 17.2 |        
    2291 | 2021-05-15 15:34:47 |             MASTER- | (21h 04m 05.16s , +47d 06m 15.7s) |   C |    20 | 16.6 |        
    2323 | 2021-05-15 15:35:19 |             MASTER- | (21h 15m 48.75s , +47d 05m 58.6s) |   C |    20 | 17.0 |        
    2389 | 2021-05-15 15:36:24 |             MASTER- | (20h 54m 24.69s , +45d 13m 15.4s) |   C |    20 | 17.4 |        
    2422 | 2021-05-15 15:36:58 |             MASTER- | (21h 06m 17.95s , +43d 20m 01.6s) |   C |    20 | 17.1 |        
    2484 | 2021-05-15 15:37:59 |             MASTER- | (20h 41m 59.09s , +47d 10m 00.2s) |   C |    20 | 17.0 |        
    2513 | 2021-05-15 15:38:29 |             MASTER- | (20h 53m 44.11s , +47d 08m 10.4s) |   C |    20 | 16.9 |        
    2547 | 2021-05-15 15:39:03 |             MASTER- | (21h 05m 06.54s , +49d 00m 25.3s) |   C |    20 | 17.4 |        
    2638 | 2021-05-15 15:40:34 |             MASTER- | (20h 56m 26.27s , +43d 19m 00.9s) |   C |    20 | 17.8 |        
    3137 | 2021-05-15 15:48:52 |             MASTER- | (21h 04m 33.72s , +45d 13m 21.3s) |   C |    20 | 16.5 |        
    3166 | 2021-05-15 15:49:22 |             MASTER- | (21h 15m 51.63s , +45d 13m 45.9s) |   C |    20 | 17.0 |        
    3200 | 2021-05-15 15:49:56 |             MASTER- | (21h 04m 08.23s , +47d 07m 58.2s) |   C |    20 | 15.9 |        
    3230 | 2021-05-15 15:50:26 |             MASTER- | (21h 15m 46.86s , +47d 08m 12.0s) |   C |    20 | 16.7 |        
    3291 | 2021-05-15 15:51:27 |             MASTER- | (20h 54m 23.31s , +45d 13m 44.7s) |   C |    20 | 16.7 |        
    3324 | 2021-05-15 15:52:00 |             MASTER- | (21h 06m 19.64s , +43d 19m 16.3s) |   C |    20 | 16.7 |        
    3386 | 2021-05-15 15:53:01 |             MASTER- | (20h 42m 04.44s , +47d 09m 14.9s) |   C |    20 | 16.2 |        
    3415 | 2021-05-15 15:53:31 |             MASTER- | (20h 53m 46.50s , +47d 09m 36.7s) |   C |    20 | 16.8 |        
    3448 | 2021-05-15 15:54:04 |             MASTER- | (21h 05m 10.58s , +49d 02m 10.8s) |   C |    20 | 15.1 |        
    3509 | 2021-05-15 15:55:05 |             MASTER- | (20h 45m 38.00s , +43d 21m 30.8s) |   C |    20 | 16.5 |        
    3539 | 2021-05-15 15:55:34 |             MASTER- | (20h 56m 26.18s , +43d 19m 46.8s) |   C |    20 | 16.3 |        
   12061 | 2021-05-15 18:17:16 |   MASTER-Kislovodsk | (21h 05m 23.40s , +44d 55m 15.5s) |   C |    60 | 15.6 |        
   12061 | 2021-05-15 18:17:16 |   MASTER-Kislovodsk | (21h 10m 52.80s , +44d 29m 34.6s) |   C |    60 | 14.2 |        
   12221 | 2021-05-15 18:19:57 |   MASTER-Kislovodsk | (21h 05m 04.57s , +46d 48m 41.2s) |   C |    60 | 16.3 |        
   12221 | 2021-05-15 18:19:57 |   MASTER-Kislovodsk | (21h 10m 39.76s , +46d 23m 00.4s) |   C |    60 | 16.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4238
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 210515B ( Fermi GBM team, GCN 30016) errorbox  11999 sec after notice time and 12030 sec after trigger time at 2021-05-15 18:17:16 UT, with upper limit up to  16.6 mag. Observations started at twilight.  The observations began at zenith distance = 80 deg. The sun  altitude  is -16.8 deg. 

The galactic latitude b = -0 deg., longitude l = 87 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1613711

We obtain a following upper limits.  

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

     109 | 2021-05-15 14:58:25 |             MASTER- | (21h 06m 02.23s , +47d 23m 09.8s) |   C |    20 | 16.2 |        
     184 | 2021-05-15 14:59:35 |             MASTER- | (21h 04m 42.79s , +45d 59m 02.9s) |   C |    30 | 16.4 |        
    1302 | 2021-05-15 15:18:17 |             MASTER- | (21h 04m 33.28s , +45d 13m 33.8s) |   C |    20 | 16.8 |        
    1332 | 2021-05-15 15:18:48 |             MASTER- | (21h 15m 40.72s , +45d 11m 58.3s) |   C |    20 | 16.6 |        
    1363 | 2021-05-15 15:19:18 |             MASTER- | (21h 04m 09.82s , +47d 06m 43.4s) |   C |    20 | 16.4 |        
    1425 | 2021-05-15 15:20:20 |             MASTER- | (20h 43m 07.59s , +45d 15m 09.1s) |   C |    20 | 17.2 |        
    1455 | 2021-05-15 15:20:51 |             MASTER- | (20h 54m 22.64s , +45d 12m 47.8s) |   C |    20 | 17.0 |        
    1486 | 2021-05-15 15:21:21 |             MASTER- | (21h 06m 08.80s , +43d 18m 34.5s) |   C |    20 | 17.0 |        
    1546 | 2021-05-15 15:22:22 |             MASTER- | (20h 41m 56.56s , +47d 07m 21.0s) |   C |    20 | 17.0 |        
    1579 | 2021-05-15 15:22:54 |             MASTER- | (20h 53m 41.36s , +47d 06m 37.3s) |   C |    20 | 16.8 |        
    1609 | 2021-05-15 15:23:25 |             MASTER- | (21h 05m 07.73s , +48d 59m 53.2s) |   C |    20 | 17.2 |        
    2226 | 2021-05-15 15:33:42 |             MASTER- | (21h 04m 28.00s , +45d 14m 10.8s) |   C |    20 | 16.9 |        
    2258 | 2021-05-15 15:34:14 |             MASTER- | (21h 15m 48.32s , +45d 12m 24.6s) |   C |    20 | 17.2 |        
    2291 | 2021-05-15 15:34:47 |             MASTER- | (21h 04m 05.16s , +47d 06m 15.7s) |   C |    20 | 16.6 |        
    2323 | 2021-05-15 15:35:19 |             MASTER- | (21h 15m 48.75s , +47d 05m 58.6s) |   C |    20 | 17.0 |        
    2389 | 2021-05-15 15:36:24 |             MASTER- | (20h 54m 24.69s , +45d 13m 15.4s) |   C |    20 | 17.4 |        
    2422 | 2021-05-15 15:36:58 |             MASTER- | (21h 06m 17.95s , +43d 20m 01.6s) |   C |    20 | 17.1 |        
    2484 | 2021-05-15 15:37:59 |             MASTER- | (20h 41m 59.09s , +47d 10m 00.2s) |   C |    20 | 17.0 |        
    2513 | 2021-05-15 15:38:29 |             MASTER- | (20h 53m 44.11s , +47d 08m 10.4s) |   C |    20 | 16.9 |        
    2547 | 2021-05-15 15:39:03 |             MASTER- | (21h 05m 06.54s , +49d 00m 25.3s) |   C |    20 | 17.4 |        
    2638 | 2021-05-15 15:40:34 |             MASTER- | (20h 56m 26.27s , +43d 19m 00.9s) |   C |    20 | 17.8 |        
    3137 | 2021-05-15 15:48:52 |             MASTER- | (21h 04m 33.72s , +45d 13m 21.3s) |   C |    20 | 16.5 |        
    3166 | 2021-05-15 15:49:22 |             MASTER- | (21h 15m 51.63s , +45d 13m 45.9s) |   C |    20 | 17.0 |        
    3200 | 2021-05-15 15:49:56 |             MASTER- | (21h 04m 08.23s , +47d 07m 58.2s) |   C |    20 | 15.9 |        
    3230 | 2021-05-15 15:50:26 |             MASTER- | (21h 15m 46.86s , +47d 08m 12.0s) |   C |    20 | 16.7 |        
    3291 | 2021-05-15 15:51:27 |             MASTER- | (20h 54m 23.31s , +45d 13m 44.7s) |   C |    20 | 16.7 |        
    3324 | 2021-05-15 15:52:00 |             MASTER- | (21h 06m 19.64s , +43d 19m 16.3s) |   C |    20 | 16.7 |        
    3386 | 2021-05-15 15:53:01 |             MASTER- | (20h 42m 04.44s , +47d 09m 14.9s) |   C |    20 | 16.2 |        
    3415 | 2021-05-15 15:53:31 |             MASTER- | (20h 53m 46.50s , +47d 09m 36.7s) |   C |    20 | 16.8 |        
    3448 | 2021-05-15 15:54:04 |             MASTER- | (21h 05m 10.58s , +49d 02m 10.8s) |   C |    20 | 15.1 |        
    3509 | 2021-05-15 15:55:05 |             MASTER- | (20h 45m 38.00s , +43d 21m 30.8s) |   C |    20 | 16.5 |        
    3539 | 2021-05-15 15:55:34 |             MASTER- | (20h 56m 26.18s , +43d 19m 46.8s) |   C |    20 | 16.3 |        
   12061 | 2021-05-15 18:17:16 |   MASTER-Kislovodsk | (21h 05m 23.40s , +44d 55m 15.5s) |   C |    60 | 15.6 |        
   12061 | 2021-05-15 18:17:16 |   MASTER-Kislovodsk | (21h 10m 52.80s , +44d 29m 34.6s) |   C |    60 | 14.2 |        
   12221 | 2021-05-15 18:19:57 |   MASTER-Kislovodsk | (21h 05m 04.57s , +46d 48m 41.2s) |   C |    60 | 16.3 |        
   12221 | 2021-05-15 18:19:57 |   MASTER-Kislovodsk | (21h 10m 39.76s , +46d 23m 00.4s) |   C |    60 | 16.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4237
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 210515B ( Fermi GBM team, GCN 30016) errorbox  11999 sec after notice time and 12030 sec after trigger time at 2021-05-15 18:17:16 UT, with upper limit up to  16.6 mag. Observations started at twilight.  The observations began at zenith distance = 80 deg. The sun  altitude  is -16.8 deg. 

The galactic latitude b = -0 deg., longitude l = 87 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1613711

We obtain a following upper limits.  

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

     109 | 2021-05-15 14:58:25 |             MASTER- | (21h 06m 02.23s , +47d 23m 09.8s) |   C |    20 | 16.2 |        
     184 | 2021-05-15 14:59:35 |             MASTER- | (21h 04m 42.79s , +45d 59m 02.9s) |   C |    30 | 16.4 |        
    1302 | 2021-05-15 15:18:17 |             MASTER- | (21h 04m 33.28s , +45d 13m 33.8s) |   C |    20 | 16.8 |        
    1332 | 2021-05-15 15:18:48 |             MASTER- | (21h 15m 40.72s , +45d 11m 58.3s) |   C |    20 | 16.6 |        
    1363 | 2021-05-15 15:19:18 |             MASTER- | (21h 04m 09.82s , +47d 06m 43.4s) |   C |    20 | 16.4 |        
    1425 | 2021-05-15 15:20:20 |             MASTER- | (20h 43m 07.59s , +45d 15m 09.1s) |   C |    20 | 17.2 |        
    1455 | 2021-05-15 15:20:51 |             MASTER- | (20h 54m 22.64s , +45d 12m 47.8s) |   C |    20 | 17.0 |        
    1486 | 2021-05-15 15:21:21 |             MASTER- | (21h 06m 08.80s , +43d 18m 34.5s) |   C |    20 | 17.0 |        
    1546 | 2021-05-15 15:22:22 |             MASTER- | (20h 41m 56.56s , +47d 07m 21.0s) |   C |    20 | 17.0 |        
    1579 | 2021-05-15 15:22:54 |             MASTER- | (20h 53m 41.36s , +47d 06m 37.3s) |   C |    20 | 16.8 |        
    1609 | 2021-05-15 15:23:25 |             MASTER- | (21h 05m 07.73s , +48d 59m 53.2s) |   C |    20 | 17.2 |        
    2226 | 2021-05-15 15:33:42 |             MASTER- | (21h 04m 28.00s , +45d 14m 10.8s) |   C |    20 | 16.9 |        
    2258 | 2021-05-15 15:34:14 |             MASTER- | (21h 15m 48.32s , +45d 12m 24.6s) |   C |    20 | 17.2 |        
    2291 | 2021-05-15 15:34:47 |             MASTER- | (21h 04m 05.16s , +47d 06m 15.7s) |   C |    20 | 16.6 |        
    2323 | 2021-05-15 15:35:19 |             MASTER- | (21h 15m 48.75s , +47d 05m 58.6s) |   C |    20 | 17.0 |        
    2389 | 2021-05-15 15:36:24 |             MASTER- | (20h 54m 24.69s , +45d 13m 15.4s) |   C |    20 | 17.4 |        
    2422 | 2021-05-15 15:36:58 |             MASTER- | (21h 06m 17.95s , +43d 20m 01.6s) |   C |    20 | 17.1 |        
    2484 | 2021-05-15 15:37:59 |             MASTER- | (20h 41m 59.09s , +47d 10m 00.2s) |   C |    20 | 17.0 |        
    2513 | 2021-05-15 15:38:29 |             MASTER- | (20h 53m 44.11s , +47d 08m 10.4s) |   C |    20 | 16.9 |        
    2547 | 2021-05-15 15:39:03 |             MASTER- | (21h 05m 06.54s , +49d 00m 25.3s) |   C |    20 | 17.4 |        
    2638 | 2021-05-15 15:40:34 |             MASTER- | (20h 56m 26.27s , +43d 19m 00.9s) |   C |    20 | 17.8 |        
    3137 | 2021-05-15 15:48:52 |             MASTER- | (21h 04m 33.72s , +45d 13m 21.3s) |   C |    20 | 16.5 |        
    3166 | 2021-05-15 15:49:22 |             MASTER- | (21h 15m 51.63s , +45d 13m 45.9s) |   C |    20 | 17.0 |        
    3200 | 2021-05-15 15:49:56 |             MASTER- | (21h 04m 08.23s , +47d 07m 58.2s) |   C |    20 | 15.9 |        
    3230 | 2021-05-15 15:50:26 |             MASTER- | (21h 15m 46.86s , +47d 08m 12.0s) |   C |    20 | 16.7 |        
    3291 | 2021-05-15 15:51:27 |             MASTER- | (20h 54m 23.31s , +45d 13m 44.7s) |   C |    20 | 16.7 |        
    3324 | 2021-05-15 15:52:00 |             MASTER- | (21h 06m 19.64s , +43d 19m 16.3s) |   C |    20 | 16.7 |        
    3386 | 2021-05-15 15:53:01 |             MASTER- | (20h 42m 04.44s , +47d 09m 14.9s) |   C |    20 | 16.2 |        
    3415 | 2021-05-15 15:53:31 |             MASTER- | (20h 53m 46.50s , +47d 09m 36.7s) |   C |    20 | 16.8 |        
    3448 | 2021-05-15 15:54:04 |             MASTER- | (21h 05m 10.58s , +49d 02m 10.8s) |   C |    20 | 15.1 |        
    3509 | 2021-05-15 15:55:05 |             MASTER- | (20h 45m 38.00s , +43d 21m 30.8s) |   C |    20 | 16.5 |        
    3539 | 2021-05-15 15:55:34 |             MASTER- | (20h 56m 26.18s , +43d 19m 46.8s) |   C |    20 | 16.3 |        
   12061 | 2021-05-15 18:17:16 |   MASTER-Kislovodsk | (21h 05m 23.40s , +44d 55m 15.5s) |   C |    60 | 15.6 |        
   12061 | 2021-05-15 18:17:16 |   MASTER-Kislovodsk | (21h 10m 52.80s , +44d 29m 34.6s) |   C |    60 | 14.2 |        
   12221 | 2021-05-15 18:19:57 |   MASTER-Kislovodsk | (21h 05m 04.57s , +46d 48m 41.2s) |   C |    60 | 16.3 |        
   12221 | 2021-05-15 18:19:57 |   MASTER-Kislovodsk | (21h 10m 39.76s , +46d 23m 00.4s) |   C |    60 | 16.6 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025