TITLE: GCN CIRCULAR NUMBER: 26985 SUBJECT: MAXI GRB200205.29: Global MASTER-Net observations report DATE: 20/02/05 08:34:08 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-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 MAXI GRB200205.29 (trigger No 884222838,08h 40m 11.04s , -35d 21m 43.2s, R=1) errorbox 8 sec after trigger time at 2020-02-05 06:54:39 UT, with upper limit up to 19.2 mag. The observations began at zenith distance = 33 deg. The sun altitude is -34.0 deg. The galactic latitude b = 4 deg., longitude l = 257 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1278160 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 99 | 2020-02-05 06:54:39 | MASTER-OAFA | (08h 39m 57.54s , -35d 09m 42.9s) | C | 180 | 19.1 | 310 | 2020-02-05 06:58:10 | MASTER-OAFA | (08h 39m 50.71s , -35d 10m 45.6s) | C | 180 | 19.1 | 521 | 2020-02-05 07:01:42 | MASTER-OAFA | (08h 39m 56.58s , -35d 10m 21.2s) | C | 180 | 19.2 | 732 | 2020-02-05 07:05:13 | MASTER-OAFA | (08h 39m 53.86s , -35d 09m 01.6s) | C | 180 | 19.2 | 944 | 2020-02-05 07:08:44 | MASTER-OAFA | (08h 39m 53.89s , -35d 10m 49.8s) | C | 180 | 19.2 | 1155 | 2020-02-05 07:12:15 | MASTER-OAFA | (08h 39m 57.46s , -35d 09m 19.0s) | C | 180 | 19.1 | 1652 | 2020-02-05 07:20:32 | MASTER-OAFA | (08h 39m 53.68s , -35d 11m 24.3s) | C | 180 | 18.9 | 1864 | 2020-02-05 07:24:04 | MASTER-OAFA | (08h 39m 49.82s , -35d 12m 26.6s) | C | 180 | 19.1 | 2075 | 2020-02-05 07:27:36 | MASTER-OAFA | (08h 39m 57.19s , -35d 12m 13.6s) | C | 180 | 19.1 | 2286 | 2020-02-05 07:31:06 | MASTER-OAFA | (08h 39m 53.81s , -35d 10m 35.3s) | C | 180 | 19.1 | 2497 | 2020-02-05 07:34:38 | MASTER-OAFA | (08h 39m 53.88s , -35d 12m 01.5s) | C | 180 | 19.0 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.