TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3118 SUBJECT: GRB050319,optical observation DATE: 05/03/19 16:02:58 GMT FROM: Shouta Maeno at U.of Miyazaki S.Maeno,E.Sonoda,Y.Matsuo,M.Yamauchi (University of Miyazaki) "We have observed the field covering the error box of GRB 050319 (GCN 3117;Swift-BAT Trigger time is 09:31:18.44 UT) with the unfiltered CCD camera on the 30-cm telescope at University of Miyazaki. The observation was started 10:45:01 UT on Mar.19. Observed field of view is 43 arcmin centerd on R.A.=10h 17m 01s Dec.=+43d 31m 06s After co-adding a set of 9 images of 30 sec exposures, we have compared with the USNO-A2.0 catalog. Preliminary analysis shows there is no new source brighter than 17.8mag. at the reported position by GCN3116(E.Rykoff et al.) "