TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  3072
SUBJECT: GRB 050306,optical observation
DATE:    05/03/06 20:41:16 GMT
FROM:    Eri Sonoda at U of Miyazaki/Japan  <sonoda@astro.miyazaki-u.ac.jp>

E.Sonoda,S.Maeno,Y.Matsuo,M.Yamauchi
(University of Miyazaki)


"We have observed the field covering the error box of
GRB 050306 (GCN 3071 ; Swift-BAT Trigger time is 03:33:12 UT)
with the unfiltered CCD camera on the 30-cm telescope
at University of Miyazaki.
The observation was started 18:13:46 UT on Mar.06.
Observed field of view is 43 arcmin centerd on
R.A=18h 49m 10s
Dec=-09d 06m 54s
After co-adding a set of 3 images of 30 sec exposures ,
we have compared with the USNO A2.0 and USNO B1.0 catalog.
Preliminary analysis shows there is no new source brighter than 17.5 mag. "