GCN Circular 7975
Subject
GRB 080603B: optical observations in MAO
Event
Date
2008-07-12T08:57:45Z (17 years ago)
From
Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>
M. Ibrahimov, R. Karimov (MAO), V. Rumyantsev (CrAO),  A. Pozanenko (IKI) 
report on behalf of larger GRB follow-up collaboration:
We observed the afterglow  (Rujopakarn, et al., GCN 7792) of the Swift GRB 
080603B (Mangano et al., GCN 7794)  on June 04 between (UT) 16:12:24 - 
16:34:23  with AZT-22 (Maidanak) telescope of  MAO observatory in R-band. 
The afterglow is well detected in each individual frame.
A photometry of the two combined images is obtained in comparison with 
nearby USNOB-1.0 stars:
T0+     Exposure  R_mag
(mid)
0.8571 d 2x300 20.49 +/- 0.07
0.8703 d 3x300 20.71 +/- 0.08
The message may be cited.