TITLE: GCN CIRCULAR NUMBER: 8094 SUBJECT: GRB 080810: optical observations DATE: 08/08/11 10:23:24 GMT FROM: Alexei Pozanenko at IKI, Moscow M. Andreev, (Terskol Branch of Institute of Astronomy), Ju. Babina (CrAO), V. Petkov, A. Kurenya (BNO INR RAS), A. Pozanenko (IKI) on behalf of larger GRB follow up collaboration report: We observed the afterglow of GRB080810 (Page et al. GCN 8080) with Zeiss-600 of Mt.Terskol observatory in R-band on Aug. 11. The afterglow is detected in a combined image in a position consistent with coordinates reported by Rykoff (GCN 8084). A photometry of the OT against USNO-B1.0 stars is following: T0+ Exposure R_mag (mid) 0.45598 d 8x180 s 19.4 +/- 0.2