TITLE: GCN CIRCULAR NUMBER: 27038 SUBJECT: Fermi trigger No 603197394: Global MASTER-Net observations report DATE: 20/02/12 11:45:12 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva, D.Kuvshinov, D. Cheryasov (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), H.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias), D. Buckley (South African Astronomical Observatory), O.A. Gres, N.M. Budnev, O.Ershova (Irkutsk State University, API), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), V. Yurkov, A. Gabovich, Yu. Sergienko (Blagoveschensk Educational State University) MASTER-Tunka robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the Fermi GRB200212.45 (trigger No 603197394,08h 27m 43.20s , +08d 48m 36.0s, R=17.85) errorbox 1916 sec after notice time and 1944 sec after trigger time at 2020-02-12 11:22:14 UT, with upper limit up to 13.7 mag. Observations started at twilight. The observations began at zenith distance = 54 deg. The sun altitude is -10.9 deg. The galactic latitude b = 26 deg., longitude l = 216 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1285493 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 1975 | 2020-02-12 11:22:14 | MASTER-Tunka | (07h 47m 35.71s , +23d 51m 50.3s) | C | 60 | 13.4 | 2565 | 2020-02-12 11:32:04 | MASTER-Tunka | (07h 46m 22.76s , +25d 52m 13.0s) | C | 60 | 13.7 | 2644 | 2020-02-12 11:33:23 | MASTER-Tunka | (07h 47m 38.28s , +23d 53m 40.6s) | C | 60 | 13.2 | 2724 | 2020-02-12 11:34:43 | MASTER-Tunka | (07h 56m 18.69s , +23d 53m 07.2s) | C | 60 | 12.1 | 2883 | 2020-02-12 11:37:21 | MASTER-Tunka | (07h 38m 54.01s , +23d 53m 18.4s) | C | 60 | 13.2 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.