MASTER Net MASTER Database: GRB210528.59 pagePlease 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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All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
2261646
2023-08-27 16:39:49.587647
08h 56m 14.40s -16d 16m 48.0s
FERMI
1.9
retraction
643903431
1
4044
retraction
1623330
2021-05-28 14:25:23.966874
09h 08m 24.00s -14d 00m 00.0s
GFERMI
3.1241
alert
643903431
1
2001
alert
1623306
2021-05-28 14:13:21.011377
08h 56m 14.40s -16d 16m 48.0s
FERMI
1.9
alert
643903431
3
115
alert
1623300
2021-05-28 14:05:19.074242
08h 56m 19.20s -15d 16m 12.0s
FERMI
1.73
alert
643903431
18
112
alert
1623283
2021-05-28 14:04:20.778759
09h 09m 52.08s -16d 25m 01.2s
FERMI
4.02
alert
643903431
22
111
alert
MASTER optical transients in this field
Will be published in GCN, ATEL
Distance | datetime | coord2000 | observatory | camera | links |
trigger | notice | notice+1hr | now |
2021-05-28 14:03:46 (JD 2459363.085949) Siderial time 8.993103 h Ra 09:09:52.08 Dec -16:25:01.20 Rise 2021-05-29 12:48:44 Transit 2021-05-29 17:10:05 Set 2021-05-29 21:31:26 AmurObject: Altitude: -10.87 Azimuth: 77.34 Sun: Altitude: -15.90 Azimuth: 160.11 Moon: Altitude: 0.84 Azimuth: 314.03 TunkaObject: Altitude: 2.77 Azimuth: 58.73 Sun: Altitude: -6.81 Azimuth: 138.50 Moon: Altitude: -12.55 Azimuth: 295.70 KislovodskObject: Altitude: 29.80 Azimuth: 2.58 Sun: Altitude: 25.70 Azimuth: 95.89 Moon: Altitude: -51.43 Azimuth: 256.10 TavridaObject: Altitude: 28.59 Azimuth: 353.25 Sun: Altitude: 31.83 Azimuth: 89.57 Moon: Altitude: -56.88 Azimuth: 246.14 SAAOObject: Altitude: 66.28 Azimuth: 232.31 Sun: Altitude: 16.22 Azimuth: 129.54 Moon: Altitude: -28.81 Azimuth: 338.93 IACObject: Altitude: 19.25 Azimuth: 301.87 Sun: Altitude: 74.47 Azimuth: 67.53 Moon: Altitude: -74.74 Azimuth: 96.18 ArgentinaObject: Altitude: -7.09 Azimuth: 294.34 Sun: Altitude: 25.78 Azimuth: 218.86 Moon: Altitude: -2.19 Azimuth: 57.80 MexicoObject: Altitude: -59.49 Azimuth: 248.17 Sun: Altitude: 20.41 Azimuth: 256.54 Moon: Altitude: 2.90 Azimuth: 57.60 UralObject: Altitude: 14.79 Azimuth: 19.19 Sun: Altitude: 17.14 Azimuth: 103.28 Moon: Altitude: -37.89 Azimuth: 258.87 VostryakovoObject: Altitude: 18.17 Azimuth: 357.60 Sun: Altitude: 29.00 Azimuth: 86.28 Moon: Altitude: -49.69 Azimuth: 237.94 Gal. latitude: 21.164256 Gal. longitude: 245.823106 Dist. to Sun: 80.189937 Dist. to Moon: 122.820480 Moon coord.: (277.637847 d, -25.620588 d) Sun coord.: (65.348717 d, 21.511533 d) Lunar disk: 0.934166 Lunar phase: 29.734649 Lunar bright limb: 90.919695 No SN in this field |
2021-05-28 14:04:20 (JD 2459363.086343) Siderial time 9.002574 h Ra 09:09:52.08 Dec -16:25:01.20 Rise 2021-05-29 12:48:44 Transit 2021-05-29 17:10:05 Set 2021-05-29 21:31:26 AmurObject: Altitude: -10.96 Azimuth: 77.44 Sun: Altitude: -15.93 Azimuth: 160.25 Moon: Altitude: 0.90 Azimuth: 314.13 TunkaObject: Altitude: 2.69 Azimuth: 58.85 Sun: Altitude: -6.86 Azimuth: 138.62 Moon: Altitude: -12.47 Azimuth: 295.79 KislovodskObject: Altitude: 29.79 Azimuth: 2.74 Sun: Altitude: 25.60 Azimuth: 95.98 Moon: Altitude: -51.33 Azimuth: 256.23 TavridaObject: Altitude: 28.61 Azimuth: 353.41 Sun: Altitude: 31.73 Azimuth: 89.67 Moon: Altitude: -56.79 Azimuth: 246.30 SAAOObject: Altitude: 66.38 Azimuth: 232.06 Sun: Altitude: 16.13 Azimuth: 129.44 Moon: Altitude: -28.77 Azimuth: 338.80 IACObject: Altitude: 19.36 Azimuth: 301.96 Sun: Altitude: 74.36 Azimuth: 67.76 Moon: Altitude: -74.86 Azimuth: 96.30 ArgentinaObject: Altitude: -6.98 Azimuth: 294.26 Sun: Altitude: 25.85 Azimuth: 218.74 Moon: Altitude: -2.28 Azimuth: 57.73 MexicoObject: Altitude: -59.38 Azimuth: 248.31 Sun: Altitude: 20.52 Azimuth: 256.61 Moon: Altitude: 2.80 Azimuth: 57.67 UralObject: Altitude: 14.77 Azimuth: 19.33 Sun: Altitude: 17.06 Azimuth: 103.40 Moon: Altitude: -37.82 Azimuth: 259.00 VostryakovoObject: Altitude: 18.18 Azimuth: 357.74 Sun: Altitude: 28.92 Azimuth: 86.40 Moon: Altitude: -49.62 Azimuth: 238.10 Gal. latitude: 21.164256 Gal. longitude: 245.823106 Dist. to Sun: 80.189616 Dist. to Moon: 122.824603 Moon coord.: (277.644281 d, -25.620760 d) Sun coord.: (65.349117 d, 21.511595 d) Lunar disk: 0.934142 Lunar phase: 29.740065 Lunar bright limb: 90.917110 No SN in this field |
2021-05-28 15:04:20 (JD 2459363.128009) Siderial time 10.005312 h Ra 09:09:52.08 Dec -16:25:01.20 Rise 2021-05-29 12:48:44 Transit 2021-05-29 17:10:05 Set 2021-05-29 21:31:26 AmurObject: Altitude: -20.48 Azimuth: 88.72 Sun: Altitude: -18.00 Azimuth: 174.67 Moon: Altitude: 6.79 Azimuth: 325.69 TunkaObject: Altitude: -5.71 Azimuth: 70.59 Sun: Altitude: -12.15 Azimuth: 151.72 Moon: Altitude: -4.89 Azimuth: 306.41 KislovodskObject: Altitude: 27.74 Azimuth: 19.04 Sun: Altitude: 14.97 Azimuth: 105.64 Moon: Altitude: -41.08 Azimuth: 267.71 TavridaObject: Altitude: 28.30 Azimuth: 9.83 Sun: Altitude: 21.13 Azimuth: 99.82 Moon: Altitude: -47.04 Azimuth: 260.21 SAAOObject: Altitude: 73.59 Azimuth: 194.38 Sun: Altitude: 5.70 Azimuth: 119.99 Moon: Altitude: -23.10 Azimuth: 325.84 IACObject: Altitude: 29.90 Azimuth: 312.83 Sun: Altitude: 61.55 Azimuth: 83.15 Moon: Altitude: -86.60 Azimuth: 140.99 ArgentinaObject: Altitude: 5.01 Azimuth: 286.23 Sun: Altitude: 32.58 Azimuth: 204.72 Moon: Altitude: -12.09 Azimuth: 49.20 MexicoObject: Altitude: -46.95 Azimuth: 260.72 Sun: Altitude: 33.17 Azimuth: 263.23 Moon: Altitude: -8.00 Azimuth: 64.82 UralObject: Altitude: 11.12 Azimuth: 33.66 Sun: Altitude: 9.38 Azimuth: 115.37 Moon: Altitude: -30.06 Azimuth: 271.51 VostryakovoObject: Altitude: 17.39 Azimuth: 12.87 Sun: Altitude: 20.43 Azimuth: 98.60 Moon: Altitude: -42.20 Azimuth: 253.41 Gal. latitude: 21.164256 Gal. longitude: 245.823106 Dist. to Sun: 80.155604 Dist. to Moon: 123.259883 Moon coord.: (278.325259 d, -25.637441 d) Sun coord.: (65.391476 d, 21.518218 d) Lunar disk: 0.931640 Lunar phase: 30.313196 Lunar bright limb: 90.642978 No SN in this field |
2024-12-25 15:22:10 (JD 2460670.140394) Siderial time 0.186089 h Ra 09:09:52.08 Dec -16:25:01.20 Rise 2024-12-26 22:54:06 Transit 2024-12-26 03:19:24 Set 2024-12-26 07:40:45 AmurObject: Altitude: 12.53 Azimuth: 316.17 Sun: Altitude: -63.04 Azimuth: 176.58 Moon: Altitude: -28.95 Azimuth: 258.38 TunkaObject: Altitude: -0.68 Azimuth: 296.24 Sun: Altitude: -55.24 Azimuth: 134.90 Moon: Altitude: -42.36 Azimuth: 233.84 KislovodskObject: Altitude: -39.70 Azimuth: 253.38 Sun: Altitude: -18.26 Azimuth: 74.76 Moon: Altitude: -55.57 Azimuth: 139.43 TavridaObject: Altitude: -45.03 Azimuth: 244.60 Sun: Altitude: -12.76 Azimuth: 69.60 Moon: Altitude: -50.50 Azimuth: 128.79 SAAOObject: Altitude: -34.09 Azimuth: 326.43 Sun: Altitude: 27.18 Azimuth: 78.30 Moon: Altitude: -26.51 Azimuth: 48.67 IACObject: Altitude: -75.61 Azimuth: 143.79 Sun: Altitude: 28.64 Azimuth: 36.13 Moon: Altitude: -14.49 Azimuth: 80.45 ArgentinaObject: Altitude: -13.80 Azimuth: 60.35 Sun: Altitude: 71.61 Azimuth: 247.37 Moon: Altitude: 45.20 Azimuth: 100.96 MexicoObject: Altitude: 1.98 Azimuth: 69.46 Sun: Altitude: 11.17 Azimuth: 306.24 Moon: Altitude: 43.65 Azimuth: 6.29 UralObject: Altitude: -26.04 Azimuth: 259.91 Sun: Altitude: -30.46 Azimuth: 93.46 Moon: Altitude: -47.84 Azimuth: 172.27 VostryakovoObject: Altitude: -37.91 Azimuth: 240.16 Sun: Altitude: -18.32 Azimuth: 75.14 Moon: Altitude: -44.62 Azimuth: 141.83 Gal. latitude: 21.164256 Gal. longitude: 245.823106 Dist. to Sun: 122.033673 Dist. to Moon: 69.498235 Moon coord.: (210.082554 d, -15.072832 d) Sun coord.: (274.342963 d, -23.386695 d) Lunar disk: 0.256926 Lunar phase: 119.087750 Lunar bright limb: 108.731281 No SN in this field |
####################################################################################### ####################################################################################### ID = 4338 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 210528A ( Fermi GBM team, GCN 30090) errorbox 14172 sec after notice time and 14200 sec after trigger time at 2021-05-28 18:00:26 UT, with upper limit up to 16.6 mag. Observations started at twilight. The observations began at zenith distance = 79 deg. The sun altitude is -12.4 deg. MASTER-IAC robotic telescope located in Spain (IAC Teide Observatory) started inspect of the FERMI GRB 210528A errorbox 23846 sec after notice time and 23874 sec after trigger time at 2021-05-28 20:41:40 UT, with upper limit up to 19.1 mag. Observations started at twilight. The observations began at zenith distance = 61 deg. The sun altitude is -10.4 deg. MASTER-OAFA robotic telescope located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 210528A errorbox 33666 sec after notice time and 33694 sec after trigger time at 2021-05-28 23:25:20 UT, with upper limit up to 19.2 mag. The observations began at zenith distance = 33 deg. The sun altitude is -21.9 deg. The galactic latitude b = 19 deg., longitude l = 243 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1623300 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 14230 | 2021-05-28 18:00:26 | MASTER-Kislovodsk | (09h 00m 55.90s , -11d 43m 58.4s) | C | 60 | 16.6 | 23904 | 2021-05-28 20:41:40 | MASTER-IAC | (09h 02m 44.74s , -13d 49m 49.9s) | C | 60 | 16.3 | 23984 | 2021-05-28 20:43:00 | MASTER-IAC | (08h 58m 39.35s , -11d 57m 02.7s) | C | 60 | 16.6 | 24064 | 2021-05-28 20:44:20 | MASTER-IAC | (09h 07m 35.44s , -15d 45m 51.5s) | C | 60 | 16.7 | 24224 | 2021-05-28 20:46:59 | MASTER-IAC | (09h 00m 12.10s , -15d 50m 05.1s) | C | 60 | 17.2 | 24224 | 2021-05-28 20:46:59 | MASTER-IAC | (08h 51m 50.12s , -15d 44m 39.9s) | C | 60 | 16.6 | 24463 | 2021-05-28 20:50:59 | MASTER-IAC | (08h 55m 21.79s , -13d 57m 05.7s) | C | 60 | 17.5 | 24463 | 2021-05-28 20:50:59 | MASTER-IAC | (08h 47m 03.96s , -13d 51m 40.4s) | C | 60 | 17.0 | 24623 | 2021-05-28 20:53:38 | MASTER-IAC | (09h 05m 43.99s , -17d 44m 47.2s) | C | 60 | 17.8 | 24623 | 2021-05-28 20:53:38 | MASTER-IAC | (08h 57m 16.72s , -17d 39m 23.2s) | C | 60 | 17.4 | 24783 | 2021-05-28 20:56:19 | MASTER-IAC | (08h 51m 21.06s , -12d 04m 02.5s) | C | 60 | 18.0 | 24863 | 2021-05-28 20:57:39 | MASTER-IAC | (09h 02m 46.24s , -13d 50m 39.8s) | C | 60 | 17.5 | 25343 | 2021-05-28 21:05:38 | MASTER-IAC | (08h 58m 31.84s , -11d 57m 28.7s) | C | 60 | 18.0 | 25423 | 2021-05-28 21:06:59 | MASTER-IAC | (09h 07m 34.43s , -15d 44m 11.1s) | C | 60 | 17.9 | 28711 | 2021-05-28 22:01:46 | MASTER-IAC | (09h 00m 07.99s , -15d 52m 31.3s) | C | 60 | 18.1 | 28950 | 2021-05-28 22:05:46 | MASTER-IAC | (08h 55m 24.26s , -13d 58m 30.1s) | C | 60 | 18.1 | 29110 | 2021-05-28 22:08:26 | MASTER-IAC | (09h 05m 38.03s , -17d 45m 24.2s) | C | 60 | 18.1 | 29270 | 2021-05-28 22:11:05 | MASTER-IAC | (08h 51m 19.92s , -12d 03m 52.8s) | C | 60 | 18.2 | 29670 | 2021-05-28 22:17:46 | MASTER-IAC | (09h 00m 15.02s , -15d 50m 52.6s) | C | 60 | 18.0 | 29910 | 2021-05-28 22:21:45 | MASTER-IAC | (08h 55m 27.00s , -13d 57m 44.5s) | C | 60 | 17.9 | 30070 | 2021-05-28 22:24:25 | MASTER-IAC | (09h 05m 44.96s , -17d 46m 24.8s) | C | 60 | 18.0 | 30230 | 2021-05-28 22:27:05 | MASTER-IAC | (08h 51m 17.65s , -12d 04m 49.9s) | C | 60 | 18.0 | 33784 | 2021-05-28 23:25:20 | MASTER-OAFA | (09h 10m 25.30s , -14d 37m 05.5s) | C | 180 | 19.2 | 34259 | 2021-05-28 23:33:14 | MASTER-OAFA | (09h 02m 05.00s , -13d 12m 46.2s) | C | 180 | 19.0 | 37328 | 2021-05-29 00:24:23 | MASTER-OAFA | (08h 46m 25.43s , -13d 14m 15.3s) | C | 180 | 18.2 | 37527 | 2021-05-29 00:27:43 | MASTER-OAFA | (08h 54m 39.95s , -13d 13m 05.2s) | C | 180 | 18.5 | 37932 | 2021-05-29 00:34:28 | MASTER-OAFA | (08h 46m 23.78s , -13d 15m 25.9s) | C | 180 | 18.5 | 38131 | 2021-05-29 00:37:47 | MASTER-OAFA | (08h 54m 43.98s , -13d 14m 50.3s) | C | 180 | 18.6 | 38735 | 2021-05-29 00:47:50 | MASTER-OAFA | (08h 51m 06.01s , -15d 07m 23.1s) | C | 180 | 18.4 | 38934 | 2021-05-29 00:51:09 | MASTER-OAFA | (08h 59m 30.66s , -15d 08m 09.8s) | C | 180 | 18.5 | 39546 | 2021-05-29 01:01:21 | MASTER-OAFA | (08h 51m 09.53s , -15d 07m 40.3s) | C | 180 | 18.2 | 40673 | 2021-05-29 01:20:09 | MASTER-OAFA | (08h 59m 25.33s , -15d 07m 26.2s) | C | 180 | 18.2 | 43708 | 2021-05-29 02:10:44 | MASTER-OAFA | (08h 56m 36.02s , -17d 01m 25.7s) | C | 180 | 17.8 | 44127 | 2021-05-29 02:17:43 | MASTER-OAFA | (09h 04m 53.67s , -17d 01m 21.4s) | C | 180 | 17.7 | 44551 | 2021-05-29 02:24:46 | MASTER-OAFA | (08h 56m 28.57s , -17d 03m 43.8s) | C | 180 | 17.4 | 44750 | 2021-05-29 02:28:06 | MASTER-OAFA | (09h 04m 57.69s , -17d 03m 24.6s) | C | 180 | 17.7 | 110679 | 2021-05-29 20:46:54 | MASTER-IAC | (09h 02m 43.21s , -13d 52m 09.9s) | C | 180 | 17.2 | 110879 | 2021-05-29 20:50:14 | MASTER-IAC | (08h 58m 37.86s , -11d 58m 02.4s) | C | 180 | 17.6 | 111079 | 2021-05-29 20:53:34 | MASTER-IAC | (08h 55m 24.57s , -13d 56m 18.8s) | C | 180 | 18.1 | 111079 | 2021-05-29 20:53:34 | MASTER-IAC | (08h 47m 06.29s , -13d 50m 49.4s) | C | 180 | 17.6 | 111279 | 2021-05-29 20:56:54 | MASTER-IAC | (09h 00m 12.21s , -15d 52m 02.9s) | C | 180 | 18.3 | 111279 | 2021-05-29 20:56:54 | MASTER-IAC | (08h 51m 49.34s , -15d 46m 33.9s) | C | 180 | 17.7 | 111679 | 2021-05-29 21:03:35 | MASTER-IAC | (09h 02m 42.60s , -13d 51m 20.0s) | C | 180 | 18.5 | 112080 | 2021-05-29 21:10:16 | MASTER-IAC | (08h 58m 37.43s , -11d 57m 33.8s) | C | 180 | 18.6 | 112281 | 2021-05-29 21:13:36 | MASTER-IAC | (08h 55m 22.02s , -13d 58m 22.6s) | C | 180 | 19.0 | 112281 | 2021-05-29 21:13:36 | MASTER-IAC | (08h 47m 02.52s , -13d 52m 56.7s) | C | 180 | 18.1 | 112481 | 2021-05-29 21:16:56 | MASTER-IAC | (09h 00m 15.14s , -15d 51m 58.4s) | C | 180 | 19.0 | 112481 | 2021-05-29 21:16:56 | MASTER-IAC | (08h 51m 51.15s , -15d 46m 33.9s) | C | 180 | 18.1 | 113082 | 2021-05-29 21:26:57 | MASTER-IAC | (09h 05m 44.30s , -17d 44m 25.6s) | C | 180 | 19.1 | 113082 | 2021-05-29 21:26:57 | MASTER-IAC | (08h 57m 15.05s , -17d 39m 03.1s) | C | 180 | 18.1 | 113882 | 2021-05-29 21:40:17 | MASTER-IAC | (09h 05m 39.43s , -17d 46m 10.2s) | C | 180 | 18.8 | 113882 | 2021-05-29 21:40:17 | MASTER-IAC | (08h 57m 09.51s , -17d 40m 50.0s) | C | 180 | 17.2 | 114082 | 2021-05-29 21:43:38 | MASTER-IAC | (08h 49m 47.62s , -17d 46m 33.2s) | C | 180 | 18.4 | 114623 | 2021-05-29 21:53:38 | MASTER-IAC | (09h 07m 39.33s , -15d 44m 51.7s) | C | 60 | 16.7 | 114944 | 2021-05-29 21:58:59 | MASTER-IAC | (08h 51m 14.89s , -12d 04m 42.0s) | C | 60 | 18.0 | 115165 | 2021-05-29 22:01:40 | MASTER-IAC | (08h 49m 44.16s , -17d 45m 01.4s) | C | 180 | 17.9 | 116027 | 2021-05-29 22:17:02 | MASTER-IAC | (08h 51m 21.06s , -12d 04m 38.2s) | C | 60 | 17.8 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4329 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 GFERMI Alert 210528.59 (trigger No 643903431,09h 08m 24.00s , -14d 00m 00.0s, R=3.1241) errorbox 12920 sec after notice time and 14200 sec after trigger time at 2021-05-28 18:00:26 UT, with upper limit up to 17.4 mag. Observations started at twilight. The observations began at zenith distance = 79 deg. The sun altitude is -12.4 deg. MASTER-IAC robotic telescope located in Spain (IAC Teide Observatory) started inspect of the GFERMI Alert 210528.59 errorbox 22594 sec after notice time and 23874 sec after trigger time at 2021-05-28 20:41:40 UT, with upper limit up to 18.6 mag. Observations started at twilight. The observations began at zenith distance = 59 deg. The sun altitude is -10.4 deg. MASTER-OAFA robotic telescope located in Argentina (OAFA observatory of San Juan National University) started inspect of the GFERMI Alert 210528.59 errorbox 32414 sec after notice time and 33694 sec after trigger time at 2021-05-28 23:25:20 UT, with upper limit up to 19.2 mag. The observations began at zenith distance = 33 deg. The sun altitude is -21.9 deg. The galactic latitude b = 22 deg., longitude l = 244 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1623323 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 14230 | 2021-05-28 18:00:26 | MASTER-Kislovodsk | (09h 04m 45.45s , -12d 06m 00.9s) | C | 60 | 16.5 | 14230 | 2021-05-28 18:00:26 | MASTER-Kislovodsk | (09h 00m 55.90s , -11d 43m 58.4s) | C | 60 | 16.6 | 14310 | 2021-05-28 18:01:46 | MASTER-Kislovodsk | (09h 20m 19.80s , -12d 06m 44.8s) | C | 60 | 16.6 | 14310 | 2021-05-28 18:01:46 | MASTER-Kislovodsk | (09h 16m 31.60s , -11d 44m 37.8s) | C | 60 | 17.2 | 14992 | 2021-05-28 18:13:07 | MASTER-Kislovodsk | (09h 24m 34.81s , -14d 01m 34.6s) | C | 60 | 16.6 | 14992 | 2021-05-28 18:13:07 | MASTER-Kislovodsk | (09h 20m 48.07s , -13d 39m 24.6s) | C | 60 | 17.1 | 15072 | 2021-05-28 18:14:28 | MASTER-Kislovodsk | (09h 12m 51.35s , -09d 50m 09.1s) | C | 60 | 17.4 | 15072 | 2021-05-28 18:14:28 | MASTER-Kislovodsk | (09h 16m 35.61s , -10d 12m 21.7s) | C | 60 | 16.6 | 23904 | 2021-05-28 20:41:40 | MASTER-IAC | (09h 11m 02.35s , -13d 55m 15.9s) | C | 60 | 16.8 | 23904 | 2021-05-28 20:41:40 | MASTER-IAC | (09h 02m 44.74s , -13d 49m 49.9s) | C | 60 | 16.3 | 23984 | 2021-05-28 20:43:00 | MASTER-IAC | (09h 06m 53.31s , -12d 02m 29.5s) | C | 60 | 17.1 | 23984 | 2021-05-28 20:43:00 | MASTER-IAC | (08h 58m 39.35s , -11d 57m 02.7s) | C | 60 | 16.6 | 24064 | 2021-05-28 20:44:20 | MASTER-IAC | (09h 15m 57.50s , -15d 51m 17.4s) | C | 60 | 17.2 | 24064 | 2021-05-28 20:44:20 | MASTER-IAC | (09h 07m 35.44s , -15d 45m 51.5s) | C | 60 | 16.7 | 24144 | 2021-05-28 20:45:40 | MASTER-IAC | (09h 22m 25.22s , -12d 02m 58.6s) | C | 60 | 17.3 | 24144 | 2021-05-28 20:45:40 | MASTER-IAC | (09h 14m 11.16s , -11d 57m 30.2s) | C | 60 | 17.0 | 24224 | 2021-05-28 20:46:59 | MASTER-IAC | (09h 00m 12.10s , -15d 50m 05.1s) | C | 60 | 17.2 | 24224 | 2021-05-28 20:46:59 | MASTER-IAC | (08h 51m 50.12s , -15d 44m 39.9s) | C | 60 | 16.6 | 24304 | 2021-05-28 20:48:19 | MASTER-IAC | (09h 26m 44.05s , -13d 56m 42.8s) | C | 60 | 17.7 | 24304 | 2021-05-28 20:48:19 | MASTER-IAC | (09h 18m 26.21s , -13d 51m 14.9s) | C | 60 | 17.2 | 24383 | 2021-05-28 20:49:39 | MASTER-IAC | (09h 18m 43.88s , -10d 07m 41.6s) | C | 60 | 17.7 | 24383 | 2021-05-28 20:49:39 | MASTER-IAC | (09h 10m 32.88s , -10d 02m 12.7s) | C | 60 | 17.3 | 24463 | 2021-05-28 20:50:59 | MASTER-IAC | (08h 55m 21.79s , -13d 57m 05.7s) | C | 60 | 17.5 | 24543 | 2021-05-28 20:52:19 | MASTER-IAC | (09h 03m 10.73s , -10d 07m 54.1s) | C | 60 | 17.9 | 24623 | 2021-05-28 20:53:38 | MASTER-IAC | (09h 05m 43.99s , -17d 44m 47.2s) | C | 60 | 17.8 | 24623 | 2021-05-28 20:53:38 | MASTER-IAC | (08h 57m 16.72s , -17d 39m 23.2s) | C | 60 | 17.4 | 24703 | 2021-05-28 20:54:58 | MASTER-IAC | (09h 21m 36.26s , -17d 45m 21.2s) | C | 60 | 18.0 | 24703 | 2021-05-28 20:54:58 | MASTER-IAC | (09h 13m 08.85s , -17d 39m 55.5s) | C | 60 | 17.6 | 24783 | 2021-05-28 20:56:19 | MASTER-IAC | (08h 51m 21.06s , -12d 04m 02.5s) | C | 60 | 18.0 | 24863 | 2021-05-28 20:57:39 | MASTER-IAC | (09h 11m 04.29s , -13d 56m 06.3s) | C | 60 | 18.0 | 24863 | 2021-05-28 20:57:39 | MASTER-IAC | (09h 02m 46.24s , -13d 50m 39.8s) | C | 60 | 17.5 | 25343 | 2021-05-28 21:05:38 | MASTER-IAC | (09h 06m 47.39s , -12d 03m 00.6s) | C | 60 | 18.4 | 25343 | 2021-05-28 21:05:38 | MASTER-IAC | (08h 58m 31.84s , -11d 57m 28.7s) | C | 60 | 18.0 | 25423 | 2021-05-28 21:06:59 | MASTER-IAC | (09h 15m 57.90s , -15d 49m 41.7s) | C | 60 | 18.5 | 25423 | 2021-05-28 21:06:59 | MASTER-IAC | (09h 07m 34.43s , -15d 44m 11.1s) | C | 60 | 17.9 | 25503 | 2021-05-28 21:08:19 | MASTER-IAC | (09h 22m 25.05s , -12d 02m 32.6s) | C | 60 | 18.4 | 25503 | 2021-05-28 21:08:19 | MASTER-IAC | (09h 14m 09.66s , -11d 57m 00.5s) | C | 60 | 18.2 | 28711 | 2021-05-28 22:01:46 | MASTER-IAC | (09h 00m 07.99s , -15d 52m 31.3s) | C | 60 | 18.1 | 28791 | 2021-05-28 22:03:06 | MASTER-IAC | (09h 26m 46.96s , -13d 57m 41.4s) | C | 60 | 18.6 | 28791 | 2021-05-28 22:03:06 | MASTER-IAC | (09h 18m 27.06s , -13d 52m 12.1s) | C | 60 | 17.3 | 28870 | 2021-05-28 22:04:26 | MASTER-IAC | (09h 18m 40.52s , -10d 08m 15.2s) | C | 60 | 18.5 | 28870 | 2021-05-28 22:04:26 | MASTER-IAC | (09h 10m 27.67s , -10d 02m 45.4s) | C | 60 | 17.4 | 28950 | 2021-05-28 22:05:46 | MASTER-IAC | (08h 55m 24.26s , -13d 58m 30.1s) | C | 60 | 18.1 | 29030 | 2021-05-28 22:07:06 | MASTER-IAC | (09h 03m 16.61s , -10d 09m 02.4s) | C | 60 | 18.5 | 29110 | 2021-05-28 22:08:26 | MASTER-IAC | (09h 05m 38.03s , -17d 45m 24.2s) | C | 60 | 18.1 | 29190 | 2021-05-28 22:09:45 | MASTER-IAC | (09h 21m 34.59s , -17d 43m 58.8s) | C | 60 | 18.4 | 29190 | 2021-05-28 22:09:46 | MASTER-IAC | (09h 13m 04.82s , -17d 38m 39.0s) | C | 60 | 12.5 | 29270 | 2021-05-28 22:11:05 | MASTER-IAC | (08h 51m 19.92s , -12d 03m 52.8s) | C | 60 | 18.2 | 29350 | 2021-05-28 22:12:25 | MASTER-IAC | (09h 11m 01.65s , -13d 58m 20.4s) | C | 60 | 18.3 | 29430 | 2021-05-28 22:13:45 | MASTER-IAC | (09h 06m 51.51s , -12d 04m 26.9s) | C | 60 | 18.4 | 29510 | 2021-05-28 22:15:06 | MASTER-IAC | (09h 15m 59.48s , -15d 50m 16.7s) | C | 60 | 18.4 | 29590 | 2021-05-28 22:16:26 | MASTER-IAC | (09h 22m 21.48s , -12d 03m 44.9s) | C | 60 | 18.4 | 29590 | 2021-05-28 22:16:26 | MASTER-IAC | (09h 14m 05.10s , -11d 58m 22.5s) | C | 60 | 15.7 | 29670 | 2021-05-28 22:17:46 | MASTER-IAC | (09h 00m 15.02s , -15d 50m 52.6s) | C | 60 | 18.0 | 29750 | 2021-05-28 22:19:05 | MASTER-IAC | (09h 26m 40.19s , -13d 56m 56.5s) | C | 60 | 18.5 | 29750 | 2021-05-28 22:19:05 | MASTER-IAC | (09h 18m 19.97s , -13d 51m 37.1s) | C | 60 | 15.3 | 29830 | 2021-05-28 22:20:26 | MASTER-IAC | (09h 18m 38.17s , -10d 08m 10.6s) | C | 60 | 18.5 | 29910 | 2021-05-28 22:21:45 | MASTER-IAC | (08h 55m 27.00s , -13d 57m 44.5s) | C | 60 | 17.9 | 29990 | 2021-05-28 22:23:05 | MASTER-IAC | (09h 03m 11.60s , -10d 10m 36.4s) | C | 60 | 18.3 | 30070 | 2021-05-28 22:24:25 | MASTER-IAC | (09h 05m 44.96s , -17d 46m 24.8s) | C | 60 | 18.0 | 30150 | 2021-05-28 22:25:45 | MASTER-IAC | (09h 21m 38.23s , -17d 44m 24.5s) | C | 60 | 18.1 | 30230 | 2021-05-28 22:27:05 | MASTER-IAC | (08h 51m 17.65s , -12d 04m 49.9s) | C | 60 | 18.0 | 33784 | 2021-05-28 23:25:20 | MASTER-OAFA | (09h 10m 25.30s , -14d 37m 05.5s) | C | 180 | 19.2 | 34259 | 2021-05-28 23:33:14 | MASTER-OAFA | (09h 02m 05.00s , -13d 12m 46.2s) | C | 180 | 19.0 | 36105 | 2021-05-29 00:04:01 | MASTER-OAFA | (09h 10m 18.20s , -13d 12m 41.9s) | C | 180 | 19.0 | 37528 | 2021-05-29 00:27:43 | MASTER-OAFA | (08h 54m 39.95s , -13d 13m 05.2s) | C | 180 | 18.5 | 38132 | 2021-05-29 00:37:47 | MASTER-OAFA | (08h 54m 43.98s , -13d 14m 50.3s) | C | 180 | 18.6 | 38331 | 2021-05-29 00:41:07 | MASTER-OAFA | (08h 57m 56.01s , -11d 21m 01.7s) | C | 180 | 18.6 | 38531 | 2021-05-29 00:44:26 | MASTER-OAFA | (09h 06m 09.97s , -11d 19m 25.2s) | C | 180 | 18.6 | 38735 | 2021-05-29 00:47:50 | MASTER-OAFA | (08h 51m 06.01s , -15d 07m 23.1s) | C | 180 | 18.4 | 38934 | 2021-05-29 00:51:09 | MASTER-OAFA | (08h 59m 30.66s , -15d 08m 09.8s) | C | 180 | 18.5 | 39144 | 2021-05-29 00:54:39 | MASTER-OAFA | (08h 57m 53.74s , -11d 21m 17.4s) | C | 180 | 18.4 | 39343 | 2021-05-29 00:57:59 | MASTER-OAFA | (09h 06m 09.71s , -11d 20m 37.8s) | C | 180 | 18.5 | 39546 | 2021-05-29 01:01:21 | MASTER-OAFA | (08h 51m 09.53s , -15d 07m 40.3s) | C | 180 | 18.2 | 40673 | 2021-05-29 01:20:09 | MASTER-OAFA | (08h 59m 25.33s , -15d 07m 26.2s) | C | 180 | 18.2 | 40873 | 2021-05-29 01:23:28 | MASTER-OAFA | (09h 13m 24.68s , -11d 21m 06.6s) | C | 180 | 18.4 | 41439 | 2021-05-29 01:32:54 | MASTER-OAFA | (09h 21m 35.19s , -11d 18m 56.7s) | C | 180 | 18.4 | 41638 | 2021-05-29 01:36:14 | MASTER-OAFA | (09h 13m 29.96s , -11d 20m 12.2s) | C | 180 | 18.4 | 42049 | 2021-05-29 01:43:04 | MASTER-OAFA | (09h 09m 51.41s , -09d 26m 37.9s) | C | 180 | 18.3 | 42660 | 2021-05-29 01:53:16 | MASTER-OAFA | (09h 21m 37.11s , -11d 18m 29.2s) | C | 180 | 18.1 | 43074 | 2021-05-29 02:00:09 | MASTER-OAFA | (09h 09m 47.98s , -09d 27m 03.3s) | C | 180 | 17.8 | 43708 | 2021-05-29 02:10:44 | MASTER-OAFA | (08h 56m 36.02s , -17d 01m 25.7s) | C | 180 | 17.8 | 44128 | 2021-05-29 02:17:43 | MASTER-OAFA | (09h 04m 53.67s , -17d 01m 21.4s) | C | 180 | 17.7 | 44551 | 2021-05-29 02:24:46 | MASTER-OAFA | (08h 56m 28.57s , -17d 03m 43.8s) | C | 180 | 17.4 | 44750 | 2021-05-29 02:28:06 | MASTER-OAFA | (09h 04m 57.69s , -17d 03m 24.6s) | C | 180 | 17.7 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4324 TYPE = 35 DAYS = 0 MASTER-IAC robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Spain (IAC Teide Observatory) started inspect of the FERMI GRB 210528A ( Fermi GBM team, GCN 30090) errorbox 23846 sec after notice time and 23874 sec after trigger time at 2021-05-28 20:41:40 UT, with upper limit up to 18.1 mag. Observations started at twilight. The observations began at zenith distance = 61 deg. The sun altitude is -10.4 deg. The galactic latitude b = 19 deg., longitude l = 244 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1623301 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 23904 | 2021-05-28 20:41:40 | MASTER-IAC | (09h 02m 44.74s , -13d 49m 49.9s) | C | 60 | 16.3 | 24064 | 2021-05-28 20:44:20 | MASTER-IAC | (09h 07m 35.44s , -15d 45m 51.5s) | C | 60 | 16.7 | 24224 | 2021-05-28 20:46:59 | MASTER-IAC | (09h 00m 12.10s , -15d 50m 05.1s) | C | 60 | 17.2 | 24224 | 2021-05-28 20:46:59 | MASTER-IAC | (08h 51m 50.12s , -15d 44m 39.9s) | C | 60 | 16.6 | 24463 | 2021-05-28 20:50:59 | MASTER-IAC | (08h 55m 21.79s , -13d 57m 05.7s) | C | 60 | 17.5 | 24463 | 2021-05-28 20:50:59 | MASTER-IAC | (08h 47m 03.96s , -13d 51m 40.4s) | C | 60 | 17.0 | 24623 | 2021-05-28 20:53:38 | MASTER-IAC | (09h 05m 43.99s , -17d 44m 47.2s) | C | 60 | 17.8 | 24623 | 2021-05-28 20:53:38 | MASTER-IAC | (08h 57m 16.72s , -17d 39m 23.2s) | C | 60 | 17.4 | 24863 | 2021-05-28 20:57:39 | MASTER-IAC | (09h 02m 46.24s , -13d 50m 39.8s) | C | 60 | 17.5 | 25423 | 2021-05-28 21:06:59 | MASTER-IAC | (09h 07m 34.43s , -15d 44m 11.1s) | C | 60 | 17.9 | 28711 | 2021-05-28 22:01:46 | MASTER-IAC | (09h 00m 07.99s , -15d 52m 31.3s) | C | 60 | 18.1 | 28950 | 2021-05-28 22:05:46 | MASTER-IAC | (08h 55m 24.26s , -13d 58m 30.1s) | C | 60 | 18.1 | 29110 | 2021-05-28 22:08:26 | MASTER-IAC | (09h 05m 38.03s , -17d 45m 24.2s) | C | 60 | 18.1 | 29670 | 2021-05-28 22:17:46 | MASTER-IAC | (09h 00m 15.02s , -15d 50m 52.6s) | C | 60 | 18.0 | 29910 | 2021-05-28 22:21:45 | MASTER-IAC | (08h 55m 27.00s , -13d 57m 44.5s) | C | 60 | 17.9 | 30070 | 2021-05-28 22:24:25 | MASTER-IAC | (09h 05m 44.96s , -17d 46m 24.8s) | C | 60 | 18.0 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4323 TYPE = 35 DAYS = 0 MASTER-IAC robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Spain (IAC Teide Observatory) started inspect of the FERMI GRB 210528A ( Fermi GBM team, GCN 30090) errorbox 23846 sec after notice time and 23874 sec after trigger time at 2021-05-28 20:41:40 UT, with upper limit up to 18.1 mag. Observations started at twilight. The observations began at zenith distance = 61 deg. The sun altitude is -10.4 deg. The galactic latitude b = 19 deg., longitude l = 244 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1623301 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 23904 | 2021-05-28 20:41:40 | MASTER-IAC | (09h 02m 44.74s , -13d 49m 49.9s) | C | 60 | 16.3 | 24064 | 2021-05-28 20:44:20 | MASTER-IAC | (09h 07m 35.44s , -15d 45m 51.5s) | C | 60 | 16.7 | 24224 | 2021-05-28 20:46:59 | MASTER-IAC | (09h 00m 12.10s , -15d 50m 05.1s) | C | 60 | 17.2 | 24224 | 2021-05-28 20:46:59 | MASTER-IAC | (08h 51m 50.12s , -15d 44m 39.9s) | C | 60 | 16.6 | 24463 | 2021-05-28 20:50:59 | MASTER-IAC | (08h 55m 21.79s , -13d 57m 05.7s) | C | 60 | 17.5 | 24463 | 2021-05-28 20:50:59 | MASTER-IAC | (08h 47m 03.96s , -13d 51m 40.4s) | C | 60 | 17.0 | 24623 | 2021-05-28 20:53:38 | MASTER-IAC | (09h 05m 43.99s , -17d 44m 47.2s) | C | 60 | 17.8 | 24623 | 2021-05-28 20:53:38 | MASTER-IAC | (08h 57m 16.72s , -17d 39m 23.2s) | C | 60 | 17.4 | 24863 | 2021-05-28 20:57:39 | MASTER-IAC | (09h 02m 46.24s , -13d 50m 39.8s) | C | 60 | 17.5 | 25423 | 2021-05-28 21:06:59 | MASTER-IAC | (09h 07m 34.43s , -15d 44m 11.1s) | C | 60 | 17.9 | 28711 | 2021-05-28 22:01:46 | MASTER-IAC | (09h 00m 07.99s , -15d 52m 31.3s) | C | 60 | 18.1 | 28950 | 2021-05-28 22:05:46 | MASTER-IAC | (08h 55m 24.26s , -13d 58m 30.1s) | C | 60 | 18.1 | 29110 | 2021-05-28 22:08:26 | MASTER-IAC | (09h 05m 38.03s , -17d 45m 24.2s) | C | 60 | 18.1 | 29670 | 2021-05-28 22:17:46 | MASTER-IAC | (09h 00m 15.02s , -15d 50m 52.6s) | C | 60 | 18.0 | 29910 | 2021-05-28 22:21:45 | MASTER-IAC | (08h 55m 27.00s , -13d 57m 44.5s) | C | 60 | 17.9 | 30070 | 2021-05-28 22:24:25 | MASTER-IAC | (09h 05m 44.96s , -17d 46m 24.8s) | C | 60 | 18.0 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4322 TYPE = 34 DAYS = 0 MASTER-IAC robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Spain (IAC Teide Observatory) started inspect of the FERMI GRB 210528A ( Fermi GBM team, GCN 30090) errorbox 23846 sec after notice time and 23874 sec after trigger time at 2021-05-28 20:41:40 UT, with upper limit up to 18.1 mag. Observations started at twilight. The observations began at zenith distance = 61 deg. The sun altitude is -10.4 deg. The galactic latitude b = 19 deg., longitude l = 244 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1623301 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 23904 | 2021-05-28 20:41:40 | MASTER-IAC | (09h 02m 44.74s , -13d 49m 49.9s) | C | 60 | 16.3 | 24064 | 2021-05-28 20:44:20 | MASTER-IAC | (09h 07m 35.44s , -15d 45m 51.5s) | C | 60 | 16.7 | 24224 | 2021-05-28 20:46:59 | MASTER-IAC | (09h 00m 12.10s , -15d 50m 05.1s) | C | 60 | 17.2 | 24224 | 2021-05-28 20:46:59 | MASTER-IAC | (08h 51m 50.12s , -15d 44m 39.9s) | C | 60 | 16.6 | 24463 | 2021-05-28 20:50:59 | MASTER-IAC | (08h 55m 21.79s , -13d 57m 05.7s) | C | 60 | 17.5 | 24463 | 2021-05-28 20:50:59 | MASTER-IAC | (08h 47m 03.96s , -13d 51m 40.4s) | C | 60 | 17.0 | 24623 | 2021-05-28 20:53:38 | MASTER-IAC | (09h 05m 43.99s , -17d 44m 47.2s) | C | 60 | 17.8 | 24623 | 2021-05-28 20:53:38 | MASTER-IAC | (08h 57m 16.72s , -17d 39m 23.2s) | C | 60 | 17.4 | 24863 | 2021-05-28 20:57:39 | MASTER-IAC | (09h 02m 46.24s , -13d 50m 39.8s) | C | 60 | 17.5 | 25423 | 2021-05-28 21:06:59 | MASTER-IAC | (09h 07m 34.43s , -15d 44m 11.1s) | C | 60 | 17.9 | 28711 | 2021-05-28 22:01:46 | MASTER-IAC | (09h 00m 07.99s , -15d 52m 31.3s) | C | 60 | 18.1 | 28950 | 2021-05-28 22:05:46 | MASTER-IAC | (08h 55m 24.26s , -13d 58m 30.1s) | C | 60 | 18.1 | 29110 | 2021-05-28 22:08:26 | MASTER-IAC | (09h 05m 38.03s , -17d 45m 24.2s) | C | 60 | 18.1 | 29670 | 2021-05-28 22:17:46 | MASTER-IAC | (09h 00m 15.02s , -15d 50m 52.6s) | C | 60 | 18.0 | 29910 | 2021-05-28 22:21:45 | MASTER-IAC | (08h 55m 27.00s , -13d 57m 44.5s) | C | 60 | 17.9 | 30070 | 2021-05-28 22:24:25 | MASTER-IAC | (09h 05m 44.96s , -17d 46m 24.8s) | C | 60 | 18.0 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4321 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 GFERMI Alert 210528.59 (trigger No 643903431,09h 08m 24.00s , -14d 00m 00.0s, R=3.1241) errorbox 12920 sec after notice time and 14200 sec after trigger time at 2021-05-28 18:00:26 UT, with upper limit up to 17.4 mag. Observations started at twilight. The observations began at zenith distance = 79 deg. The sun altitude is -12.4 deg. The galactic latitude b = 22 deg., longitude l = 244 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1623323 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 14230 | 2021-05-28 18:00:26 | MASTER-Kislovodsk | (09h 04m 45.45s , -12d 06m 00.9s) | C | 60 | 16.5 | 14230 | 2021-05-28 18:00:26 | MASTER-Kislovodsk | (09h 00m 55.90s , -11d 43m 58.4s) | C | 60 | 16.6 | 14310 | 2021-05-28 18:01:46 | MASTER-Kislovodsk | (09h 20m 19.80s , -12d 06m 44.8s) | C | 60 | 16.6 | 14310 | 2021-05-28 18:01:46 | MASTER-Kislovodsk | (09h 16m 31.60s , -11d 44m 37.8s) | C | 60 | 17.2 | 14992 | 2021-05-28 18:13:07 | MASTER-Kislovodsk | (09h 24m 34.81s , -14d 01m 34.6s) | C | 60 | 16.6 | 14992 | 2021-05-28 18:13:07 | MASTER-Kislovodsk | (09h 20m 48.07s , -13d 39m 24.6s) | C | 60 | 17.1 | 15072 | 2021-05-28 18:14:28 | MASTER-Kislovodsk | (09h 12m 51.35s , -09d 50m 09.1s) | C | 60 | 17.4 | 15072 | 2021-05-28 18:14:28 | MASTER-Kislovodsk | (09h 16m 35.61s , -10d 12m 21.7s) | C | 60 | 16.6 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.
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