TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2119 SUBJECT: GRB030329: RTT150 optical observations DATE: 03/04/08 19:05:41 GMT FROM: Irek Khamitov at TUG I. Khamitov, M. Parmaksizoglu, K.Uluc (TUG); I. Bikmaev, N. Sakhibullin, V. Suleymanov, R. Gumerov, A. Ibragimov (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 observations of the GRB 030329 optical afterglow (Peterson and Price, GCN 1985) with 1.5-m Russian-Turkish Telescope RTT150 at TUG in the Bessel BVRI-bands. We obtained 70 exposures at 06 Apr. 18:33UT - 07 Apr. 01:23UT; and 48 exposures at 07.Apr 17:55UT - 08 Apr. 01:02UT Second night observations were made under bad weather conditions. The magnitudes obtained are as follows: UT R Rerr Apr. 6.79 18.75 0.02 Apr. 6.83 18.76 0.02 Apr. 6.87 18.71 0.02 Apr. 6.92 18.68 0.02 Apr. 6.96 18.70 0.03 Apr. 6.99 18.73 0.02 Apr. 7.74 18.77 0.03 Apr. 7.77 18.78 0.02 Apr. 7.80 18.73 0.03 Apr. 7.80 18.80 0.03 Apr. 7.97 18.91 0.03 Apr. 8.01 18.83 0.03 There are no significant changes in the fluxes during two observational set in all BVRI-bands. This message may be cited.