TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2108 SUBJECT: GRB030329: RTT150 optical observations DATE: 03/04/07 02:10:47 GMT FROM: Irek Khamitov at TUG I. Khamitov, M.Parmaksizoglu (TUG); I. Bikmaev, N. Sakhibullin, V. Suleymanov (KSU); Z. Aslan, O.Golbasi (TUG); R. Burenin, R. Sunyaev, D. Denissenko, M. Pavlinsky, O. Terekhov, A. Tkachenko (IKI); U. Kiziloglu, A. Alpar, A. Baykal (METU); report: We continue the monitoring of the GRB 030329 optical afterglow (Peterson and Price, GCN 1985) with 1.5-m Russian-Turkish Telescope RTT150 at TUG. Starting from 06 Apr 18:33 UT we obtained BVRI (Bessel) images of TO yet, 12 frames on each band. Using stars from Henden (GCN 2082) we measured follow magnitudes: Time, UT R Rerr 06 Apr. 18:33 18.812 0.056 18:55 18.716 0.048 19:16 18.747 0.052 19:38 18.973 0.063 20:00 18.956 0.062 20:21 18.859 0.055 20:43 18.822 0.051 21:05 18.921 0.057 21:26 18.749 0.049 21:48 18.670 0.046 22:09 18.713 0.049 Observational set is continued. This message may be cited.