TITLE: GCN CIRCULAR NUMBER: 10763 SUBJECT: GRB 100514A: MASTER-Net optical observations DATE: 10/05/15 07:20:45 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V.Krushinski, I.Zalozhnih, T.Kopytova, A.Popov Ural State University, Kourovka E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski, N.Shatskiy, N.Tyurina, D.Kuvshinov, P.Balanutsa, V.V.Chazov, P.V.Kortunov, A.Kuznetsov, D.Zimnukhov, M. Kornilov, A.Sankovich Sternberg Astronomical Institute, Moscow State University K.Ivanov, S.Yazev, N.M.Budnev, E.Konstantinov, V.Lenok, O.Gres, O.Chuvalaev Irkutsk State University V.Yurkov, Yu.Sergienko, D.Varda, A.Garusina Blagoveschensk Educational State University, Blagoveschensk A. Tlatov, A.V. Parkhomenko, D. Dormidontov Kislovodsk Solar Station of the Pulkovo Observatory MASTER II robotic telescope (MASTER-Net: http://observ.pereplet.ru) located at Kourovka Observatory (Ural) was responted to the GRB 100514A (Swift Bat alert, Markwardt et al, GCN CIRC 10759) 25 sec after Notice time and 71 s after the GRB time. There is no OT on the first 20-s exposition time unfiltered images inside Swift XRT error box (Goad et al., GCN CIRC 10762) brighter 17.0. The message may be cited. mailto: lipunov@sai.msu.ru