TITLE: GCN GRB OBSERVATION REPORT NUMBER: 4198 SUBJECT: GRB051103:_MASTER_optical_observations DATE: 05/11/05 21:04:01 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, V.Kornilov, D.Kuvshinov, N.Tyurina, A.Belinski, E.Gorbovskoy, A.Krylov, G.Borisov, A.Sankovich, G.Antiov, V.Vladimirov Sternberg Astronomical Institute, Moscow Union 'Optic' MASTER robotic system (http://observ.pereplet.ru) responded to GRB051103.4 (GRB_TIME is 2005-11-03 09:25:43.785, GCN4197 )at several minutes after sms about new GCN Circ. The first image (6 square degrees) was at 2005-11-05 19:55:47 UT, 2 days 10:30:03.215 after the GRB time The unfiltered image is calibrated relative to USNO A2.0 (0.8 R + 0.2 B). The robot not find OT-candidate in error box. Our upper limit is about 17.0 m. The JPG-image will be available at http://observ.pereplet.ru/images/GRB051103.4/1.jpg The log JPG-image will be available at http://observ.pereplet.ru/images/GRB051103.4/1_log.jpg The reduction is continuing. This work is supported by RFFI 04-02-16411 grant. This message can be cited. Mailto: lipunov@sai.msu.ru