TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2202 SUBJECT: GRB030501, optical observation DATE: 03/05/04 21:57:48 GMT FROM: Vasilij Rumjantsev at CrAO V.Rumyantsev, E.Pavlenko (CrAO), A.Pozanenko (IKI) report: We have imaged the error box of GRB030501 (Mereghetti et al. 2003, GCN 2183) with AT-64 telescope of CrAO. Several unfiltered images were taken on May, 1 21:59-23:12 (18.8 hours after GRB) and May, 3 22:36-23:34 (2.8 days after GRB). Visual comparison with DSS-2I and comparison of the combined images in different epochs (May 1 and May 3) reveals no new or fading objects within GRB error box. Log of observations is following: Mid time exposure limit (3 sigma) 01.93200 17x120 20.1 03.96599 21x120 20.0 The combined image of May, 1 can be found in http://grb.rssi.ru/GRB030501/ This message may be cited.