TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  3261
SUBJECT: GRB050408: optical observation
DATE:    05/04/13 20:25:10 GMT
FROM:    Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>

B. Kahharov, M. Ibrahimov,  D. Sharapov (MAO), A.Pozanenko (IKI),
V.Rumyantsev (CrAO),  G.Beskin (SAO) report:

We observed the afterglow   (Ugarte et al., GCN 3192) of the  HETE GRB050408
(Sakamoto et al., GCN 3189)  with 1.5m telescope of  the Maidanak
Astronomical Observatory (MAO), Uzbekistan under modarate weather conditions
(seeing ~1.8 arcsec) on April 9 between 19:29:30 - 20:09:00 (UT). The
optical source is clearly visible in the position of OT  (Ugarte et al., GCN
3192; Huang et al., GCN 3196). A preliminary R-photometry against of
USNO-B1.0 Catalog is the following:

Mean time    Exposure    Mag.
(UT)            (s)

Apr. 9.828  7x300  22.55 +/- 0.35

This message can be cited.