TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2028 SUBJECT: GRB030329: Optical observations DATE: 03/03/30 19:35:27 GMT FROM: Vasilij Rumjantsev at CrAO V.Rumyantsev, E.Pavlenko, O.Antoniuk (CrAO) and A.Pozanenko (IKI) report: We continue to monitor the OT of GRB030329 (GCN 2025). The OT found by Peterson and Price (GCN 1985) is clearly visible in our image taken with Cassegrain 38-cm telescope of CrAO.Several 180 sec. exposures of R (Johnson) filter were obtained. Based on filed photometry by A. Henden (GCN 2023) we estimate the OT magnitude as Mid Time (UT) exposure OT March, 30 17:56:25 1x180 s R = 16.61 The figure image can be found in http://grb.rssi.ru/GRB030329/ Detailed calibration and observations are continuing.