TITLE: GCN CIRCULAR NUMBER: 31247 SUBJECT: Fermi GRB 211216B: Global MASTER-Net observations report DATE: 21/12/16 15:30:08 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-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 211216B ( Fermi GBM team, GCN 31244) errorbox 5497 sec after notice time and 5506 sec after trigger time at 2021-12-16 14:52:53 UT, with upper limit up to 16.8 mag. Observations started at twilight. The observations began at zenith distance = 62 deg. The sun altitude is -13.3 deg. The galactic latitude b = 23 deg., longitude l = 156 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1816527 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 5536 | 2021-12-16 14:52:53 | MASTER-Kislovodsk | (06h 36m 03.28s , +60d 06m 50.8s) | C | 60 | 16.8 | 5536 | 2021-12-16 14:52:53 | MASTER-Kislovodsk | (06h 44m 05.60s , +59d 42m 12.6s) | C | 60 | 15.8 | 5616 | 2021-12-16 14:54:13 | MASTER-Kislovodsk | (06h 43m 24.96s , +58d 14m 40.6s) | C | 60 | 16.4 | 5616 | 2021-12-16 14:54:13 | MASTER-Kislovodsk | (06h 50m 59.87s , +57d 50m 00.9s) | C | 60 | 15.1 | 5697 | 2021-12-16 14:55:34 | MASTER-Kislovodsk | (06h 28m 09.61s , +62d 01m 05.7s) | C | 60 | 16.2 | 5697 | 2021-12-16 14:55:34 | MASTER-Kislovodsk | (06h 36m 41.23s , +61d 36m 24.5s) | C | 60 | 14.5 | 5937 | 2021-12-16 14:59:34 | MASTER-Kislovodsk | (07h 00m 11.18s , +62d 02m 28.7s) | C | 60 | 13.6 | 6018 | 2021-12-16 15:00:55 | MASTER-Kislovodsk | (07h 03m 23.70s , +63d 30m 55.4s) | C | 60 | 14.2 | 6018 | 2021-12-16 15:00:55 | MASTER-Kislovodsk | (06h 53m 59.70s , +63d 55m 34.8s) | C | 60 | 16.2 | 6258 | 2021-12-16 15:04:55 | MASTER-Kislovodsk | (06h 19m 33.73s , +63d 57m 13.0s) | C | 60 | 16.2 | 6258 | 2021-12-16 15:04:55 | MASTER-Kislovodsk | (06h 28m 46.22s , +63d 32m 46.8s) | C | 60 | 15.7 | 6338 | 2021-12-16 15:06:15 | MASTER-Kislovodsk | (06h 14m 31.88s , +58d 13m 43.4s) | C | 60 | 14.7 | 6339 | 2021-12-16 15:06:15 | MASTER-Kislovodsk | (06h 22m 09.19s , +57d 49m 29.2s) | C | 60 | 13.9 | 6418 | 2021-12-16 15:07:35 | MASTER-Kislovodsk | (06h 23m 09.19s , +56d 21m 08.8s) | C | 60 | 14.4 | 6418 | 2021-12-16 15:07:35 | MASTER-Kislovodsk | (06h 30m 20.94s , +55d 56m 54.9s) | C | 60 | 13.4 | 6908 | 2021-12-16 15:15:45 | MASTER-Kislovodsk | (06h 36m 03.28s , +60d 08m 15.1s) | C | 60 | 16.5 | 6908 | 2021-12-16 15:15:45 | MASTER-Kislovodsk | (06h 44m 02.61s , +59d 44m 09.3s) | C | 60 | 16.1 | 6988 | 2021-12-16 15:17:05 | MASTER-Kislovodsk | (06h 43m 23.49s , +58d 13m 11.9s) | C | 60 | 15.7 | 6988 | 2021-12-16 15:17:05 | MASTER-Kislovodsk | (06h 50m 55.79s , +57d 49m 07.8s) | C | 60 | 15.8 | 7068 | 2021-12-16 15:18:25 | MASTER-Kislovodsk | (06h 28m 12.51s , +62d 01m 42.0s) | C | 60 | 16.2 | 7068 | 2021-12-16 15:18:25 | MASTER-Kislovodsk | (06h 36m 41.97s , +61d 37m 32.2s) | C | 60 | 15.8 | 7229 | 2021-12-16 15:21:06 | MASTER-Kislovodsk | (07h 06m 29.06s , +60d 07m 15.7s) | C | 60 | 16.1 | 7229 | 2021-12-16 15:21:06 | MASTER-Kislovodsk | (07h 14m 27.47s , +59d 43m 00.6s) | C | 60 | 15.2 | 7309 | 2021-12-16 15:22:26 | MASTER-Kislovodsk | (07h 00m 34.68s , +62d 02m 38.0s) | C | 60 | 16.1 | 7309 | 2021-12-16 15:22:26 | MASTER-Kislovodsk | (07h 09m 03.35s , +61d 38m 20.1s) | C | 60 | 15.9 | 7389 | 2021-12-16 15:23:46 | MASTER-Kislovodsk | (06h 54m 12.21s , +63d 56m 02.2s) | C | 60 | 15.2 | 7389 | 2021-12-16 15:23:46 | MASTER-Kislovodsk | (07h 03m 15.20s , +63d 31m 40.9s) | C | 60 | 14.6 | 7469 | 2021-12-16 15:25:06 | MASTER-Kislovodsk | (06h 50m 28.82s , +56d 21m 15.1s) | C | 60 | 16.4 | 7469 | 2021-12-16 15:25:06 | MASTER-Kislovodsk | (06h 57m 39.01s , +55d 57m 08.8s) | C | 60 | 16.2 | 7549 | 2021-12-16 15:26:26 | MASTER-Kislovodsk | (07h 19m 50.85s , +57d 49m 33.2s) | C | 60 | 15.2 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.