TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2605 SUBJECT: MASTER: HETE Alert 3274 optical observation DATE: 04/05/30 21:21:43 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, A.Krylov, V.Kornilov, G.Borisov, D.Kuvshinov, A.Belinski, I.Chilingarian, M.Kuznetsov, S.Potanin, G.Antipov, E.Gorbovskoy, N.Tyurina Sternberg Astronomical Institute, Alexsandr Krylov Observatory, Moscow After HETE alert 3274 (Probable GRB, known X-ray sources) MASTER robotic telescope (http://observ.pereplet.ru) had automatically imaging the corresponding area of the sky (58 seconds after trigger time). We have 30 unfiltered images of the error box (30s exposition, 6 square degrees field). Under the bad weather condition the limiting magnitude was about 13. There is no OT at SGR1806-20 position. 29 may UT GRB Time Time delay GRB: 22:14:17.08 0 0 NOTICE: 22:14:38 21 21 NOTICE RECEIVED: 22:14:59 47 26 POINTING: 22:15:05 53 6 IMAGING START: 22:15:10 58 5 Reduced FITS images are available at http://observ.pereplet.ru/images/GRB040529/ These are technical results. This message may be cited.