TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2816 SUBJECT: GRB041016: MASTER: Optical observations DATE: 04/10/16 19:48:24 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs S.Bodrov, A.Sankovich, V. Lipunov, A.Krylov, V.Kornilov, G.Borisov, D.Kuvshinov, A.Belinski, M.Kuznetsov, S.Potanin, G.Antipov, E.Gorbovskoy, N.Tyurina Sternberg Astronomical Institute, Alexandr Krylov Observatory, Moscow At 12h 22m after HETE GRB trigger time (alert 2019) MASTER robotic telescope (http://observ.pereplet.ru) had imaging the corresponding area of the sky under the good weather conditions. The first image was started at 17h02m UT. We did not find new stars up to 17m. We have 20 unfiltered images of the error box (45s exposition, 2.4 x 2.4 degrees, 355 mm telescope, Alta U16 CCD camera). Sum FITS image are available at http://observ.pereplet.ru/images/GRB041016/ This message may be cited.