TITLE: GCN GRB OBSERVATION REPORT NUMBER: 4431 SUBJECT: GRB060105, optical observation DATE: 06/01/05 14:56:33 GMT FROM: Shouta Maeno at U.of Miyazaki S.Maeno,E.Sonoda,S.Masuda,Y.Nakamura,M.Yamauchi (University of Miyazaki) "We have observed the field covering the error circle of GRB 060105 (GCN 4429) with the unfiltered CCD camera on the 30-cm telescope at University of Miyazaki. The observation was started 09:13:18 UT on Jan.05. After co-adding a set of 15 images (09:13:18 - 09:31:05 UT) of 30 sec exposures, we have compared with the USNO A2.0 catalog. Preliminary analysis shows there is no new source brighter than 16.1mag."