TITLE: GCN CIRCULAR NUMBER: 16478 SUBJECT: GRB 140629A: MASTER OT detection DATE: 14/06/29 15:24:00 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V.Yurkov, Yu.Sergienko, D.Varda, E.Sinyakov Blagoveschensk Educational State University, Blagoveschensk E. Gorbovskoy, V. Lipunov, M.Pruzhinskaya, V.Kornilov, D.Kuvshinov, A.Belinski, N.Tyurina, N.Shatskiy, P.Balanutsa, D.Zimnukhov, A.Kuznetsov, V.V.Chazov, D.Denisenko, A.Sankovich Lomonosov Moscow State University, Sternberg Astronomical Institute, Moscow State University K.Ivanov, S.Yazev, N.M.Budnev, O.Gres, O.Chuvalaev, V.A.Poleshchuk Irkutsk State University V.Krushinski, I.Zalozhnih, A. Popov Ural Federal University, Kourovka A. Tlatov, A.V. Parhomenko, D. Dormidontov, V.Sennik Kislovodsk Solar Station of the Pulkovo Observatory Hugo Levato and Carlos Saffe Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE) Claudio Mallamaci, Carlos Lopez and Federico Podest Observatorio Astronomico Felix Aguilar (OAFA) MASTER II robotic telescope (MASTER-Net: http://observ.pereplet.ru) located in Blagoveschensk was pointed to the GRB140629A (Lien et. al GCN 16477) 15 sec after notice time and 33 sec after trigger time at 2014-06-29 14:18:03.188 UT. On our first (10s exposure) set we found optical transient within SWIFT error-box (ra=16 35 55 dec=+41 53 24 r=0.050000). The OT coordinates are Ra 16:35:54.41 Dec +41:52:36.53 and magnitude is 15.3 on first images. The OT rises up to 14 mag on following images.