TITLE: GCN GRB OBSERVATION REPORT NUMBER: 5613 SUBJECT: GRB 060926: MASTER optical observation DATE: 06/09/26 17:39:22 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, V.Vladimirov, P.Gritsyk Sternberg Astronomical Institute, Moscow Union 'Optic' MASTER robotic system (http://observ.pereplet.ru) responded to GRB060926 (Holland et al., GCN Circ 5612). The first image was started at 2006-09-26 16:49:57 UT, 76 s after the GRB time. The unfiltered image is calibrated relative to USNO A2.0 (0.8 R + 0.2 B). The robot did not find OT-candidate in error box brighter then 17.0 (s/n=10). The reduction is continuing. This work is supported by RFFI 04-02-16411 grant. This message can be cited. Mailto: lipunov@sai.msu.ru