TITLE: GCN CIRCULAR NUMBER: 26971 SUBJECT: Fermi trigger No 602392636: Global MASTER-Net observations report DATE: 20/02/03 04:45:23 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-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB200203.14 (trigger No 602392636,16h 44m 48.00s , -52d 55m 01.2s, R=28.82) errorbox 29 sec after notice time and 59 sec after trigger time at 2020-02-03 03:18:11 UT, with upper limit up to 15.9 mag. Observations started at twilight. The observations began at zenith distance = 38 deg. The sun altitude is -9.9 deg. MASTER-Tavrida robotic telescope located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB200203.14 errorbox 2232 sec after notice time and 2261 sec after trigger time at 2020-02-03 03:54:53 UT, with upper limit up to 16.8 mag. Observations started at twilight. The observations began at zenith distance = 76 deg. The sun altitude is -11.9 deg. The galactic latitude b = -5 deg., longitude l = 334 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1275661 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 149 | 2020-02-03 03:18:11 | MASTER-SAAO | (16h 29m 14.72s , -49d 55m 46.3s) | C | 180 | 15.9 | 2351 | 2020-02-03 03:54:53 | MASTER-Tavrida | (15h 03m 15.78s , -32d 02m 31.2s) | C | 180 | 16.8 | 2956 | 2020-02-03 04:04:58 | MASTER-Tavrida | (15h 03m 22.27s , -32d 03m 16.8s) | C | 180 | 16.1 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.