TITLE: GCN CIRCULAR NUMBER: 27992 SUBJECT: Fermi trigger No 614239407: Global MASTER-Net observations report DATE: 20/06/19 20:30:24 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-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 GRB200619.25 (trigger No 614239407,15h 00m 36.00s , -10d 23m 24.0s, R=3.34) errorbox 45142 sec after notice time and 45158 sec after trigger time at 2020-06-19 18:36:00 UT, with upper limit up to 17.5 mag. Observations started at twilight. The observations began at zenith distance = 55 deg. The sun altitude is -14.5 deg. The galactic latitude b = 41 deg., longitude l = 348 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1385710 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 45188 | 2020-06-19 18:36:00 | MASTER-Kislovodsk | (14h 55m 51.24s , -11d 29m 26.6s) | C | 60 | 17.5 | 45188 | 2020-06-19 18:36:00 | MASTER-Kislovodsk | (15h 04m 06.06s , -11d 56m 33.2s) | C | 60 | 16.7 | 45268 | 2020-06-19 18:37:20 | MASTER-Kislovodsk | (14h 49m 51.57s , -09d 30m 28.0s) | C | 60 | 16.8 | 45268 | 2020-06-19 18:37:20 | MASTER-Kislovodsk | (14h 58m 04.01s , -09d 57m 33.9s) | C | 60 | 16.7 | 45349 | 2020-06-19 18:38:41 | MASTER-Kislovodsk | (15h 06m 01.94s , -09d 31m 25.0s) | C | 60 | 15.5 | 45349 | 2020-06-19 18:38:41 | MASTER-Kislovodsk | (15h 14m 14.42s , -09d 58m 35.3s) | C | 60 | 14.3 | 45430 | 2020-06-19 18:40:02 | MASTER-Kislovodsk | (15h 01m 05.58s , -07d 31m 08.5s) | C | 60 | 14.2 | 45430 | 2020-06-19 18:40:02 | MASTER-Kislovodsk | (15h 09m 16.34s , -07d 58m 19.3s) | C | 60 | 14.3 | 45510 | 2020-06-19 18:41:22 | MASTER-Kislovodsk | (14h 55m 55.03s , -11d 29m 36.1s) | C | 60 | 13.8 | 45672 | 2020-06-19 18:44:03 | MASTER-Kislovodsk | (15h 14m 18.68s , -09d 56m 59.4s) | C | 60 | 13.8 | 45752 | 2020-06-19 18:45:24 | MASTER-Kislovodsk | (15h 01m 00.22s , -07d 30m 28.8s) | C | 60 | 15.1 | 45752 | 2020-06-19 18:45:24 | MASTER-Kislovodsk | (15h 09m 10.91s , -07d 57m 38.5s) | C | 60 | 15.4 | 45833 | 2020-06-19 18:46:44 | MASTER-Kislovodsk | (14h 44m 52.37s , -07d 29m 35.3s) | C | 60 | 15.2 | 45833 | 2020-06-19 18:46:44 | MASTER-Kislovodsk | (14h 53m 02.99s , -07d 56m 39.5s) | C | 60 | 16.1 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.