TITLE: GCN CIRCULAR NUMBER: 26184 SUBJECT: LIGO/Virgo S191105e: Global MASTER-Net observations report DATE: 19/11/06 18:50:55 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-Amur robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the LIGO/Virgo S191105e errorbox 55 sec after trigger time at 2019-11-05 14:36:16 UT, with upper limit up to 18.5 mag. The observations began at zenith distance = 49 deg. The sun altitude is -54.8 deg. MASTER-Kislovodsk robotic telescope located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the LIGO/Virgo S191105e errorbox 12600 sec after trigger time at 2019-11-05 18:05:21 UT, with upper limit up to 19.4 mag. The observations began at zenith distance = 54 deg. The sun altitude is -44.8 deg. MASTER-IAC robotic telescope located in Spain (IAC Teide Observatory) started inspect of the LIGO/Virgo S191105e errorbox 41784 sec after trigger time at 2019-11-06 02:11:45 UT, with upper limit up to 21.1 mag. The observations began at zenith distance = 58 deg. The sun altitude is -66.8 deg. MASTER-SAAO robotic telescope located in South Africa (South African Astronomical Observatory) started inspect of the LIGO/Virgo S191105e errorbox 16 sec after notice time and 1 days 12494 sec after trigger time at 2019-11-06 18:03:35 UT, with upper limit up to 17.1 mag. Observations started at twilight. The observations began at zenith distance = 30 deg. The sun altitude is -11.7 deg. MASTER-Tavrida robotic telescope located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the LIGO/Virgo S191105e errorbox 29 sec after notice time and 1 days 12507 sec after trigger time at 2019-11-06 18:03:48 UT, with upper limit up to 14.7 mag. The observations began at zenith distance = 83 deg. The sun altitude is -39.0 deg. The galactic latitude b = -77 deg., longitude l = 296 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/ligo_1.php?id=10882 The observation and reduction will continue. The message may be cited.