TITLE: GCN GRB OBSERVATION REPORT NUMBER: 647 SUBJECT: GRB 000424, Optical Observations DATE: 00/04/25 23:46:12 GMT FROM: Sergei Guziy at Astro.Obs. of Nikolaev State U. S. Guziy, A. Shlyapnikov, Kalinenkov Astronomical Observatory of Nikolaev University (Nikolaev), and R. Hudec, Astronomical Institute (Ondrejov), report: "We have obtained 6 images in the R band of the region for GRB000424 (GCN 644). The total integration time is 360 s (6x60s). These images were taken on Apr. 25.86, i.e. 26-hr after the event, with the 0.7-m telescope of the Astronomical Observatory of the Nikolaev University. Comparison with the Digitized Sky Survey does not reveal any new object brighter than about R = 18.1 within the BSAX WFC error box." This message may be cited.