TITLE: GCN CIRCULAR NUMBER: 24772 SUBJECT: Fermi trigger No 581719018 Global MASTER-Net observations report DATE: 19/06/08 21:16:13 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 (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 GRB190608.86 (trigger No 581719018, 22h 39m 04.08s , +55d 10m 01.20s, R=6.95) errorbox 412 sec after trigger time at 2019-06-08 20:43:45 UT, with upper limit up to 18.6 mag. The observations began at zenit distance = 56 deg. The sun altitude is -23.9 deg. The galactic latitude b = -60 deg., longitude l = 98 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1043113 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 443 | 2019-06-08 20:43:45 | MASTER-Kislovodsk | ( 22h 34m 06.20s , +54d 5m 41.57s) | C | 60 | 18.3 | 443 | 2019-06-08 20:43:45 | MASTER-Kislovodsk | ( 22h 48m 03.85s , +53d 37m 02.78s) | C | 60 | 18.4 | 538 | 2019-06-08 20:45:20 | MASTER-Kislovodsk | ( 22h 17m 31.84s , +56d 5m 48.73s) | C | 60 | 18.4 | 538 | 2019-06-08 20:45:20 | MASTER-Kislovodsk | ( 22h 32m 13.70s , +55d 37m 02.35s) | C | 60 | 18.5 | 638 | 2019-06-08 20:47:00 | MASTER-Kislovodsk | ( 22h 46m 09.56s , +56d 4m 51.04s) | C | 60 | 18.5 | 638 | 2019-06-08 20:47:00 | MASTER-Kislovodsk | ( 23h 0m 49.46s , +55d 36m 09.04s) | C | 60 | 18.6 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.