TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3459 SUBJECT: GRB050522,optical observation DATE: 05/05/23 10:02:16 GMT FROM: Shouta Maeno at U.of Miyazaki S.maeno,E.sonoda,Y.Tokunaga,M.Yamauchi (University of Miyazaki) "We have observed the field covering the error circle of GRB 050522 (GCN3446 ; INTEGRAL Trigger time is 06:00:21 UT) with the unfiltered CCD camera on the 30-cm telescope at University of Miyazaki. The observation was started 11:15:40 UT on May.22. Observed field of view is 43 arcmin centered on R.A=+13:20:38 Dec=+24:44:13 After co-adding a set of 21 images (11:15:40 - 11:55:21 UT) of 30 sec exposures, we have compared with the USNO A2.0 catalog. Preliminary analysis shows there is no new source brighter than 16.5 mag.