TITLE: GCN CIRCULAR NUMBER: 31197 SUBJECT: Fermi trigger No 660736561: Global MASTER-Net observations report DATE: 21/12/10 09:30:15 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, T.Pogrosheva, E.Minkina, A.Chasovnikov, V.Topolev, V.Grinshpun, D.Kuvshinov, D. Cheryasov (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), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), A. Gabovich, V.Yurkov (Blagoveschensk Educational State University) MASTER-OAFA robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Argentina (OAFA observatory of San Juan National University) started inspect of the Fermi GRB211209.41 (trigger No 660736561,11h 04m 36.00s , -68d 52m 59.9s, R=29.6667) errorbox 72214 sec after notice time and 72225 sec after trigger time at 2021-12-10 05:59:41 UT, with upper limit up to 18.3 mag. The observations began at zenith distance = 63 deg. The sun altitude is -31.7 deg. The galactic latitude b = -8 deg., longitude l = 294 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1808820 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 72256 | 2021-12-10 05:59:41 | MASTER-OAFA | (12h 21m 27.17s , -54d 28m 39.8s) | C | 60 | 14.3 | 72335 | 2021-12-10 06:01:01 | MASTER-OAFA | (12h 34m 55.93s , -54d 27m 13.4s) | C | 60 | 14.9 | 73185 | 2021-12-10 06:15:10 | MASTER-OAFA | (12h 32m 00.16s , -50d 40m 07.9s) | C | 60 | 14.2 | 73264 | 2021-12-10 06:16:30 | MASTER-OAFA | (12h 44m 28.95s , -50d 39m 07.4s) | C | 60 | 14.6 | 73344 | 2021-12-10 06:17:49 | MASTER-OAFA | (12h 38m 54.96s , -52d 34m 06.2s) | C | 60 | 17.5 | 73423 | 2021-12-10 06:19:09 | MASTER-OAFA | (12h 51m 47.29s , -52d 35m 07.5s) | C | 60 | 17.7 | 73503 | 2021-12-10 06:20:28 | MASTER-OAFA | (12h 32m 06.90s , -50d 40m 41.6s) | C | 60 | 15.6 | 73583 | 2021-12-10 06:21:48 | MASTER-OAFA | (12h 44m 31.30s , -50d 39m 29.3s) | C | 60 | 15.8 | 73878 | 2021-12-10 06:26:44 | MASTER-OAFA | (12h 37m 22.70s , -43d 04m 01.6s) | C | 60 | 17.7 | 73957 | 2021-12-10 06:28:03 | MASTER-OAFA | (12h 48m 12.13s , -43d 03m 04.0s) | C | 60 | 18.0 | 74037 | 2021-12-10 06:29:23 | MASTER-OAFA | (12h 40m 15.46s , -44d 59m 03.8s) | C | 60 | 18.1 | 74116 | 2021-12-10 06:30:42 | MASTER-OAFA | (12h 51m 32.35s , -44d 58m 53.0s) | C | 60 | 17.6 | 74196 | 2021-12-10 06:32:01 | MASTER-OAFA | (12h 37m 25.57s , -43d 03m 15.7s) | C | 60 | 18.2 | 74275 | 2021-12-10 06:33:21 | MASTER-OAFA | (12h 48m 15.44s , -43d 04m 57.1s) | C | 60 | 18.3 | 74355 | 2021-12-10 06:34:40 | MASTER-OAFA | (12h 40m 22.01s , -44d 57m 21.7s) | C | 60 | 18.3 | 74610 | 2021-12-10 06:38:55 | MASTER-OAFA | (12h 51m 31.71s , -44d 58m 04.7s) | C | 60 | 18.1 | 74689 | 2021-12-10 06:40:15 | MASTER-OAFA | (12h 37m 20.99s , -43d 05m 04.4s) | C | 60 | 18.3 | 74768 | 2021-12-10 06:41:34 | MASTER-OAFA | (12h 48m 16.69s , -43d 05m 04.7s) | C | 60 | 18.3 | 74848 | 2021-12-10 06:42:54 | MASTER-OAFA | (12h 40m 17.68s , -44d 57m 19.5s) | C | 60 | 18.3 | 74927 | 2021-12-10 06:44:13 | MASTER-OAFA | (12h 51m 28.69s , -44d 58m 52.0s) | C | 60 | 18.2 | 75008 | 2021-12-10 06:45:34 | MASTER-OAFA | (12h 57m 57.53s , -43d 04m 12.3s) | C | 60 | 18.2 | 75088 | 2021-12-10 06:46:53 | MASTER-OAFA | (13h 08m 46.95s , -43d 03m 16.1s) | C | 60 | 18.2 | 75168 | 2021-12-10 06:48:13 | MASTER-OAFA | (12h 55m 25.82s , -41d 11m 13.7s) | C | 60 | 18.3 | 75328 | 2021-12-10 06:50:53 | MASTER-OAFA | (12h 58m 00.16s , -43d 03m 45.6s) | C | 60 | 18.2 | 75407 | 2021-12-10 06:52:13 | MASTER-OAFA | (13h 08m 50.06s , -43d 04m 57.4s) | C | 60 | 18.2 | 75696 | 2021-12-10 06:57:02 | MASTER-OAFA | (12h 55m 25.01s , -41d 10m 11.6s) | C | 60 | 16.6 | 75855 | 2021-12-10 06:59:41 | MASTER-OAFA | (12h 58m 01.62s , -43d 04m 16.4s) | C | 60 | 16.4 | 75935 | 2021-12-10 07:01:00 | MASTER-OAFA | (13h 08m 45.67s , -43d 05m 21.1s) | C | 60 | 16.6 | 76014 | 2021-12-10 07:02:20 | MASTER-OAFA | (12h 55m 31.51s , -41d 10m 53.0s) | C | 60 | 18.2 | 76173 | 2021-12-10 07:04:59 | MASTER-OAFA | (13h 22m 49.08s , -44d 57m 37.1s) | C | 60 | 17.7 | 76353 | 2021-12-10 07:07:58 | MASTER-OAFA | (13h 33m 52.65s , -44d 57m 33.8s) | C | 60 | 17.9 | 76435 | 2021-12-10 07:09:21 | MASTER-OAFA | (13h 06m 08.97s , -46d 53m 24.6s) | C | 60 | 18.2 | 76515 | 2021-12-10 07:10:40 | MASTER-OAFA | (13h 17m 47.93s , -46d 53m 19.8s) | C | 60 | 17.6 | 76594 | 2021-12-10 07:12:00 | MASTER-OAFA | (13h 22m 45.70s , -44d 57m 36.2s) | C | 60 | 17.7 | 76674 | 2021-12-10 07:13:19 | MASTER-OAFA | (13h 33m 56.52s , -44d 59m 32.8s) | C | 60 | 17.9 | 76753 | 2021-12-10 07:14:39 | MASTER-OAFA | (13h 06m 13.93s , -46d 51m 30.9s) | C | 60 | 17.9 | 76833 | 2021-12-10 07:15:58 | MASTER-OAFA | (13h 17m 42.82s , -46d 52m 31.7s) | C | 60 | 17.8 | 76912 | 2021-12-10 07:17:18 | MASTER-OAFA | (13h 22m 42.31s , -44d 57m 33.9s) | C | 60 | 17.4 | 76992 | 2021-12-10 07:18:37 | MASTER-OAFA | (13h 33m 58.85s , -44d 58m 39.5s) | C | 60 | 16.8 | 77522 | 2021-12-10 07:27:27 | MASTER-OAFA | (13h 12m 39.45s , -44d 58m 23.0s) | C | 60 | 18.1 | 77601 | 2021-12-10 07:28:47 | MASTER-OAFA | (13h 01m 27.33s , -44d 57m 19.7s) | C | 60 | 18.2 | 77680 | 2021-12-10 07:30:06 | MASTER-OAFA | (13h 18m 31.26s , -43d 05m 26.7s) | C | 60 | 17.9 | 77839 | 2021-12-10 07:32:45 | MASTER-OAFA | (13h 12m 42.51s , -44d 57m 36.1s) | C | 60 | 18.0 | 77918 | 2021-12-10 07:34:04 | MASTER-OAFA | (13h 01m 31.69s , -44d 59m 01.6s) | C | 60 | 18.1 | 77998 | 2021-12-10 07:35:23 | MASTER-OAFA | (13h 18m 37.28s , -43d 03m 41.6s) | C | 60 | 18.0 | 78528 | 2021-12-10 07:44:13 | MASTER-OAFA | (13h 12m 44.17s , -44d 59m 12.4s) | C | 60 | 18.0 | 78607 | 2021-12-10 07:45:33 | MASTER-OAFA | (13h 18m 33.99s , -43d 03m 48.4s) | C | 60 | 17.9 | 81625 | 2021-12-10 08:35:51 | MASTER-OAFA | (11h 11m 01.35s , -69d 41m 03.1s) | C | 60 | 15.9 | 81705 | 2021-12-10 08:37:11 | MASTER-OAFA | (11h 33m 14.94s , -69d 41m 48.2s) | C | 60 | 15.7 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.