TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3203 SUBJECT: GRB 050408,optical observation DATE: 05/04/09 08:04:43 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 050408 (GCN 3189;HETE Trigger time is 16:22:50.93 UT) with the unfiltered CCD camera on the 30-cm telescope at University of Miyazaki. The observation was started 16:52:23 UT on Apr.8. After co-adding a set of 20 images (16:52:23 UT - 17:29:14 UT) of 30 sec exposures, we have compared with the USNO-A2.0 catalog. Preliminary analysis shows there is no new source brighter than 17.6 mag. at the reported position by A. de Ugarte Postigo et al. (GCN3192). "