TITLE: GCN CIRCULAR NUMBER: 7401 SUBJECT: GRB080210: optical observations DATE: 08/03/10 19:25:26 GMT FROM: Alexei Pozanenko at IKI, Moscow E. Klunko (ISTP), A. Pozanenko (IKI) on behalf of larger GRB follow up collaboration report: We observed afterglow (Klotz et al. GCN 7280) of GRB080210 (Grupe et al. GCN 7281) with 1.5m telescope of Sayan observatory (Mondy) on Feb.10 between (UT) 21:36:37 - 22:49:36. The afterglow is marginally detected (SNR=1.8) in coordinates R.A.(J2000) = 16 45 03.98 Dec.(J2000) = +13 49 35.8. A photometry against USNO-B1.0 is following: T0+ Exposure R_mag (mid) 0.594 d 47x60 s 21.8 The afterglow at 0.594d appears ~1 magnitude brighter than expected from a slow decay rate of alpha ~0.85 (Perley et al. GCN 7298). The message may be cited.