TITLE: GCN CIRCULAR NUMBER: 8123 SUBJECT: GRB 080822B: MASTER optical observation DATE: 08/08/23 11:08:44 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs MASTER-Net Team: D.Kuvshinov, V. Lipunov, V.Kornilov, E.Gorbovskoy, A.Belinski, N.Shatskiy, N.Tyurina, Sternberg Astronomical Institute, Moscow Union 'Optic' A. Tlatov, I.Golubov Kislovodsk Solar Station of the Pulkovo observatory V.Krushinski, I.Zalognikh Ural State University, Kourovka S.Yazev, K.Ivanov Irkutsk State University MASTER robotic Net (Moscow region, http://observ.pereplet.ru) responded to GRB080822B (Holland et al., GCN Circ 8117) by hand due to internet problem at the Moscow Region Site. The first image was started at 2008-08-22 21:21:35 UT, 18m 43s 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. T-Tgrb Mean Time Exposition Limit Coadd? 1123 s 1138 s 30 s 17.0 no 1123s 1692 s 25x30 s 18.8 yes The message can be cited. mailto: lipunov@sai.msu.ru