TITLE: GCN CIRCULAR NUMBER: 25652 SUBJECT: GRB 190829A: MASTER confirmation of GROND SN DATE: 19/09/04 11:34:56 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, F.Balakin, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa,A.Kuznetsov, V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva, D.Kuvshinov(Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile(Observatorio Astronomico Felix Aguilar OAFA), H.Levato(Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE), R. Rebolo, M. Serra(The Instituto de Astrofisica de Canarias), D. Buckley(South African Astronomical Observatory), O.A. Gres, N.M. Budnev, O.Ershova(Irkutsk State University, API), A. Tlatov, D. Dormidontov(Kislovodsk Solar Station of the Pulkovo Observatory), V. Yurkov, A. Gabovich, Yu. Sergienko(Blagoveschensk Educational State University) MASTER-SAAO robotic telescope (http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol.2010, 30L) observed GRB 190829A (Fermi GCN 25551, Swift GCN25552) every night since discovery OT (Xu et al., GCN 25555; Lipunov et al., GCN 25553; Kumar et al., GCN 25560; Heintz et al., GCN 25563; Valeev et al., GCN 25565). We also see the appearance OT (Bolmer et al., GCN 25651) in place MASTER OT 025810.51-085727.2 RA, Dec = 02h 58m 10.51s -08d 57m 27.2s (Lipunov et al., GCN 25558) at 2019-09-04 02:56:18 with mlim=20.5 . SN unfiltered magnitude ~19.5. This message can be cited.