TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  4185
SUBJECT: GRB051016B: optical observation
DATE:    05/11/01 21:09:17 GMT
FROM:    Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>

D. Sharapov, M. Ibrahimov (MAO), A.Pozanenko (IKI),V.Rumyantsev (CrAO) on 
behalf of larger GRB follow up collaboration report:

We observed the error box  of GRB051016B (Parsons et al, GCN 4103) with 1.5m 
telescope of Maidanak Astronomical Observatory. Set of  R images were taken 
between Oct.16 (UT) 23:34 - 23:58. Afterglow candidate proposed by  Chen 
(GCN 4105)  and Kinoshita (GCN 4111) is detected in a stacked image. 
Preliminary photometry of the stacked  image against of  USNO A2.0 is 
following:

Mid time,     Exposure, Filter, Mag.
(UT)            (s)

Oct.16.990   6x180   R       21.43 +/- 0.24

The message may be cited.