TITLE: GCN CIRCULAR NUMBER: 32494 SUBJECT: Fermi trigger No 683202084: Global MASTER-Net observations report DATE: 22/08/27 07:15:28 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, V.Kornilov, E.Gorbovskoy, K.Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, D. Vlasenko, G.Antipov, D.Zimnukhov, V.Senik, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D.Cheryasov, Ya.Kechin (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias), D. Buckley (South African Astronomical Observatory), O.A. Gres, N.M. Budnev (Irkutsk State University, API), L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez, A.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), A. Gabovich, V.Yurkov (Blagoveschensk Educational State University) MASTER-Amur robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the Fermi GRB220826.43 (trigger No 683202084,23h 37m 04.80s , +19d 45m 36.0s, R=1.83) errorbox 1060 sec after notice time and 23490 sec after trigger time at 2022-08-26 16:52:50 UT, with upper limit up to 18.9 mag. The observations began at zenith distance = 30 deg. The sun altitude is -27.1 deg. MASTER-SAAO robotic telescope located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB220826.43 errorbox 11570 sec after notice time and 34000 sec after trigger time at 2022-08-26 19:47:59 UT, with upper limit up to 19.1 mag. The observations began at zenith distance = 76 deg. The sun altitude is -44.7 deg. The galactic latitude b = -40 deg., longitude l = 101 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2068425 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 23521 | 2022-08-26 16:52:50 | MASTER-Amur | (23h 31m 51.66s , +20d 11m 16.3s) | C | 60 | 18.6 | 23600 | 2022-08-26 16:54:10 | MASTER-Amur | (23h 40m 26.48s , +20d 12m 48.2s) | C | 60 | 18.8 | 23698 | 2022-08-26 16:55:47 | MASTER-Amur | (23h 40m 26.50s , +20d 12m 50.2s) | C | 60 | 12.1 | 23870 | 2022-08-26 16:58:39 | MASTER-Amur | (23h 47m 44.29s , +18d 17m 15.1s) | C | 60 | 18.9 | 23962 | 2022-08-26 17:00:11 | MASTER-Amur | (23h 47m 44.31s , +18d 17m 17.0s) | C | 60 | 12.4 | 24059 | 2022-08-26 17:01:48 | MASTER-Amur | (23h 31m 43.46s , +18d 19m 08.0s) | C | 60 | 18.6 | 24149 | 2022-08-26 17:03:18 | MASTER-Amur | (23h 40m 03.36s , +18d 18m 13.0s) | C | 60 | 18.8 | 24230 | 2022-08-26 17:04:40 | MASTER-Amur | (23h 33m 41.67s , +22d 06m 08.6s) | C | 60 | 18.6 | 24510 | 2022-08-26 17:09:19 | MASTER-Amur | (23h 42m 19.31s , +22d 05m 12.6s) | C | 60 | 18.9 | 24592 | 2022-08-26 17:10:41 | MASTER-Amur | (23h 31m 52.93s , +20d 13m 16.6s) | C | 60 | 18.6 | 24672 | 2022-08-26 17:12:01 | MASTER-Amur | (23h 40m 23.73s , +20d 11m 30.9s) | C | 60 | 18.8 | 24753 | 2022-08-26 17:13:22 | MASTER-Amur | (23h 48m 06.61s , +20d 12m 47.4s) | C | 60 | 18.9 | 24912 | 2022-08-26 17:16:01 | MASTER-Amur | (23h 47m 39.31s , +18d 19m 17.3s) | C | 60 | 18.8 | 25077 | 2022-08-26 17:18:47 | MASTER-Amur | (23h 31m 39.32s , +18d 17m 29.0s) | C | 60 | 18.4 | 25157 | 2022-08-26 17:20:06 | MASTER-Amur | (23h 40m 10.42s , +18d 17m 51.1s) | C | 60 | 18.7 | 25238 | 2022-08-26 17:21:27 | MASTER-Amur | (23h 33m 38.45s , +22d 06m 56.1s) | C | 60 | 18.3 | 25677 | 2022-08-26 17:28:46 | MASTER-Amur | (23h 42m 19.37s , +22d 06m 25.2s) | C | 60 | 18.5 | 25757 | 2022-08-26 17:30:06 | MASTER-Amur | (23h 31m 48.49s , +20d 11m 36.5s) | C | 60 | 18.2 | 25836 | 2022-08-26 17:31:25 | MASTER-Amur | (23h 40m 27.62s , +20d 11m 42.8s) | C | 60 | 18.6 | 25916 | 2022-08-26 17:32:45 | MASTER-Amur | (23h 48m 04.77s , +20d 13m 18.9s) | C | 60 | 18.7 | 26075 | 2022-08-26 17:35:25 | MASTER-Amur | (23h 47m 45.30s , +18d 19m 03.1s) | C | 60 | 18.6 | 26235 | 2022-08-26 17:38:04 | MASTER-Amur | (23h 31m 37.39s , +18d 19m 45.2s) | C | 60 | 17.9 | 26314 | 2022-08-26 17:39:23 | MASTER-Amur | (23h 40m 08.11s , +18d 18m 38.9s) | C | 60 | 18.5 | 26396 | 2022-08-26 17:40:46 | MASTER-Amur | (23h 33m 34.39s , +22d 05m 37.6s) | C | 60 | 18.0 | 26636 | 2022-08-26 17:44:45 | MASTER-Amur | (23h 42m 16.35s , +22d 05m 48.0s) | C | 60 | 18.3 | 26715 | 2022-08-26 17:46:04 | MASTER-Amur | (23h 32m 58.75s , +16d 24m 53.9s) | C | 60 | 17.5 | 26795 | 2022-08-26 17:47:24 | MASTER-Amur | (23h 41m 19.84s , +16d 25m 49.2s) | C | 60 | 18.0 | 27533 | 2022-08-26 17:59:42 | MASTER-Amur | (23h 50m 02.78s , +22d 06m 11.0s) | C | 60 | 17.9 | 27785 | 2022-08-26 18:03:54 | MASTER-Amur | (23h 41m 18.92s , +16d 26m 04.1s) | C | 60 | 16.3 | 34030 | 2022-08-26 19:47:59 | MASTER-SAAO | (23h 33m 03.42s , +16d 08m 16.3s) | C | 60 | 17.8 | 35084 | 2022-08-26 20:05:33 | MASTER-SAAO | (23h 33m 10.21s , +16d 07m 33.1s) | C | 60 | 18.2 | 35164 | 2022-08-26 20:06:53 | MASTER-SAAO | (23h 23m 35.27s , +19d 55m 31.9s) | C | 60 | 18.1 | 35254 | 2022-08-26 20:08:23 | MASTER-SAAO | (23h 32m 08.76s , +19d 57m 05.1s) | C | 60 | 18.2 | 35545 | 2022-08-26 20:13:14 | MASTER-SAAO | (23h 39m 43.41s , +19d 55m 05.5s) | C | 60 | 18.4 | 35624 | 2022-08-26 20:14:34 | MASTER-SAAO | (23h 48m 21.14s , +19d 55m 34.1s) | C | 60 | 18.2 | 35715 | 2022-08-26 20:16:04 | MASTER-SAAO | (23h 23m 25.18s , +18d 01m 22.7s) | C | 60 | 18.6 | 35795 | 2022-08-26 20:17:24 | MASTER-SAAO | (23h 31m 53.38s , +18d 03m 10.7s) | C | 60 | 18.7 | 35886 | 2022-08-26 20:18:56 | MASTER-SAAO | (23h 39m 22.24s , +18d 03m 14.1s) | C | 60 | 18.5 | 35978 | 2022-08-26 20:20:27 | MASTER-SAAO | (23h 47m 52.59s , +18d 02m 13.7s) | C | 60 | 18.6 | 36057 | 2022-08-26 20:21:46 | MASTER-SAAO | (23h 25m 23.23s , +21d 49m 25.9s) | C | 60 | 18.6 | 36148 | 2022-08-26 20:23:17 | MASTER-SAAO | (23h 33m 57.32s , +21d 51m 08.2s) | C | 60 | 18.2 | 36228 | 2022-08-26 20:24:37 | MASTER-SAAO | (23h 23m 35.59s , +19d 55m 49.1s) | C | 60 | 18.6 | 36319 | 2022-08-26 20:26:08 | MASTER-SAAO | (23h 32m 09.80s , +19d 56m 57.5s) | C | 60 | 18.5 | 36399 | 2022-08-26 20:27:28 | MASTER-SAAO | (23h 41m 40.48s , +21d 51m 14.6s) | C | 60 | 18.5 | 36489 | 2022-08-26 20:28:58 | MASTER-SAAO | (23h 50m 22.49s , +21d 50m 13.0s) | C | 60 | 18.2 | 36580 | 2022-08-26 20:30:29 | MASTER-SAAO | (23h 39m 44.02s , +19d 55m 15.7s) | C | 60 | 18.7 | 36661 | 2022-08-26 20:31:50 | MASTER-SAAO | (23h 48m 21.09s , +19d 55m 26.6s) | C | 60 | 18.6 | 36756 | 2022-08-26 20:33:25 | MASTER-SAAO | (23h 23m 25.78s , +18d 03m 06.7s) | C | 60 | 18.8 | 36836 | 2022-08-26 20:34:45 | MASTER-SAAO | (23h 31m 50.70s , +18d 01m 36.2s) | C | 60 | 18.8 | 36927 | 2022-08-26 20:36:16 | MASTER-SAAO | (23h 39m 28.16s , +18d 03m 10.0s) | C | 60 | 19.0 | 37007 | 2022-08-26 20:37:36 | MASTER-SAAO | (23h 47m 46.64s , +18d 02m 13.2s) | C | 60 | 19.0 | 37098 | 2022-08-26 20:39:07 | MASTER-SAAO | (23h 25m 17.66s , +21d 51m 18.6s) | C | 60 | 18.8 | 37188 | 2022-08-26 20:40:38 | MASTER-SAAO | (23h 34m 00.75s , +21d 50m 15.8s) | C | 60 | 18.7 | 37268 | 2022-08-26 20:41:57 | MASTER-SAAO | (23h 23m 33.53s , +19d 55m 18.9s) | C | 60 | 18.9 | 37359 | 2022-08-26 20:43:28 | MASTER-SAAO | (23h 32m 09.09s , +19d 55m 44.7s) | C | 60 | 18.9 | 37439 | 2022-08-26 20:44:48 | MASTER-SAAO | (23h 41m 43.51s , +21d 50m 46.5s) | C | 60 | 18.9 | 37530 | 2022-08-26 20:46:20 | MASTER-SAAO | (23h 50m 20.83s , +21d 49m 30.1s) | C | 60 | 18.7 | 37610 | 2022-08-26 20:47:39 | MASTER-SAAO | (23h 39m 49.42s , +19d 56m 47.0s) | C | 60 | 19.0 | 37701 | 2022-08-26 20:49:10 | MASTER-SAAO | (23h 48m 15.69s , +19d 56m 12.6s) | C | 60 | 19.1 | 37781 | 2022-08-26 20:50:30 | MASTER-SAAO | (23h 23m 23.00s , +18d 03m 18.6s) | C | 60 | 18.8 | 37872 | 2022-08-26 20:52:02 | MASTER-SAAO | (23h 31m 53.93s , +18d 02m 14.5s) | C | 60 | 18.9 | 37963 | 2022-08-26 20:53:32 | MASTER-SAAO | (23h 39m 23.04s , +18d 01m 12.3s) | C | 60 | 19.0 | 38043 | 2022-08-26 20:54:52 | MASTER-SAAO | (23h 47m 52.65s , +18d 01m 37.7s) | C | 60 | 19.1 | 38133 | 2022-08-26 20:56:22 | MASTER-SAAO | (23h 25m 21.24s , +21d 51m 03.6s) | C | 60 | 18.8 | 38213 | 2022-08-26 20:57:42 | MASTER-SAAO | (23h 33m 58.46s , +21d 49m 32.7s) | C | 60 | 18.9 | 38304 | 2022-08-26 20:59:13 | MASTER-SAAO | (23h 40m 34.88s , +16d 08m 11.1s) | C | 60 | 19.1 | 38477 | 2022-08-26 21:02:06 | MASTER-SAAO | (23h 41m 48.09s , +21d 50m 13.1s) | C | 60 | 19.1 | 38566 | 2022-08-26 21:03:35 | MASTER-SAAO | (23h 50m 17.46s , +21d 49m 11.6s) | C | 60 | 18.9 | 44833 | 2022-08-26 22:48:02 | MASTER- | (23h 34m 45.88s , +19d 56m 55.8s) | C | 60 | 17.9 | 44833 | 2022-08-26 22:48:02 | MASTER- | (23h 26m 31.79s , +20d 05m 32.6s) | C | 60 | 12.6 | 44915 | 2022-08-26 22:49:24 | MASTER- | (23h 50m 53.49s , +19d 59m 02.9s) | C | 60 | 13.9 | 44915 | 2022-08-26 22:49:24 | MASTER- | (23h 42m 39.03s , +20d 07m 39.9s) | C | 60 | 14.0 | 44998 | 2022-08-26 22:50:47 | MASTER- | (23h 50m 25.68s , +18d 03m 07.3s) | C | 60 | 18.1 | 45080 | 2022-08-26 22:52:09 | MASTER- | (23h 34m 28.98s , +18d 04m 18.6s) | C | 60 | 17.7 | 45080 | 2022-08-26 22:52:09 | MASTER- | (23h 26m 20.26s , +18d 12m 57.1s) | C | 60 | 14.2 | 45163 | 2022-08-26 22:53:32 | MASTER- | (23h 28m 12.14s , +22d 00m 08.7s) | C | 60 | 17.9 | 45245 | 2022-08-26 22:54:54 | MASTER- | (23h 44m 34.36s , +22d 01m 29.7s) | C | 60 | 14.1 | 45327 | 2022-08-26 22:56:17 | MASTER- | (23h 35m 45.65s , +16d 09m 18.8s) | C | 60 | 18.1 | 45409 | 2022-08-26 22:57:38 | MASTER- | (23h 43m 25.13s , +16d 17m 22.1s) | C | 60 | 13.9 | 45938 | 2022-08-26 23:06:27 | MASTER- | (23h 34m 43.67s , +19d 56m 36.7s) | C | 60 | 14.2 | 45938 | 2022-08-26 23:06:27 | MASTER- | (23h 26m 29.16s , +20d 05m 09.4s) | C | 60 | 12.2 | 46021 | 2022-08-26 23:07:50 | MASTER- | (23h 50m 58.17s , +19d 58m 10.4s) | C | 60 | 13.8 | 46103 | 2022-08-26 23:09:12 | MASTER- | (23h 50m 24.49s , +18d 03m 30.3s) | C | 60 | 13.9 | 46103 | 2022-08-26 23:09:12 | MASTER- | (23h 42m 15.22s , +18d 12m 03.8s) | C | 60 | 14.1 | 46186 | 2022-08-26 23:10:35 | MASTER- | (23h 34m 24.86s , +18d 03m 54.3s) | C | 60 | 14.0 | 46351 | 2022-08-26 23:13:20 | MASTER- | (23h 44m 34.32s , +21d 59m 00.3s) | C | 60 | 14.0 | 46433 | 2022-08-26 23:14:42 | MASTER- | (23h 35m 47.60s , +16d 07m 56.8s) | C | 60 | 18.3 | 46516 | 2022-08-26 23:16:05 | MASTER- | (23h 43m 29.25s , +16d 18m 28.3s) | C | 60 | 14.0 | 47037 | 2022-08-26 23:24:47 | MASTER- | (23h 34m 40.24s , +19d 56m 43.8s) | C | 60 | 13.8 | 47037 | 2022-08-26 23:24:47 | MASTER- | (23h 26m 25.63s , +20d 05m 16.0s) | C | 60 | 14.8 | 47119 | 2022-08-26 23:26:08 | MASTER- | (23h 50m 51.89s , +19d 58m 05.9s) | C | 60 | 14.1 | 47119 | 2022-08-26 23:26:08 | MASTER- | (23h 42m 36.97s , +20d 06m 39.2s) | C | 60 | 13.9 | 47202 | 2022-08-26 23:27:31 | MASTER- | (23h 50m 30.83s , +18d 02m 56.1s) | C | 60 | 13.9 | 47284 | 2022-08-26 23:28:53 | MASTER- | (23h 34m 23.48s , +18d 01m 20.9s) | C | 60 | 12.1 | 47284 | 2022-08-26 23:28:54 | MASTER- | (23h 26m 14.39s , +18d 09m 58.8s) | C | 60 | 14.1 | 47367 | 2022-08-26 23:30:16 | MASTER- | (23h 36m 38.79s , +21d 49m 41.8s) | C | 60 | 14.1 | 47367 | 2022-08-26 23:30:16 | MASTER- | (23h 28m 17.74s , +21d 58m 22.3s) | C | 60 | 18.4 | 47449 | 2022-08-26 23:31:38 | MASTER- | (23h 44m 37.42s , +22d 00m 00.1s) | C | 60 | 13.8 | 47531 | 2022-08-26 23:33:00 | MASTER- | (23h 35m 43.34s , +16d 07m 25.3s) | C | 60 | 18.3 | 47613 | 2022-08-26 23:34:22 | MASTER- | (23h 43m 31.56s , +16d 18m 08.1s) | C | 60 | 14.1 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.