TITLE: GCN GRB OBSERVATION REPORT NUMBER: 1892 SUBJECT: GRB030226: optical observation DATE: 03/02/27 02:29:12 GMT FROM: Adriano Guarnieri at O.A.di Bologna A. Guarnieri, (Bologna University), L. Cortese (Milano Bicocca University), C.Bartolini, A.Piccioni, R.Gualandi, S. Bernabei (Bologna University and Bologna Astronomical Observatory), and G. Pizzichini (IASF-CNR, Sezione di Bologna) report: On 2003, February 27, 01h19m57s UT we started an observation of the afterglow of GRB030226 (Fox,Chen and Price, GCN 1879) with the 152 cm telescope in Loiano, (R band, 900 sec exposure). Using the calibration stars A and B of Garnavich, von Braun and Stanek (GCN 1885), we preliminary estimate the brightness of the OT at R = 20.4. Further observations in B, V, R, I bands are in progress. This message may be cited.