TITLE: GCN GRB OBSERVATION REPORT NUMBER: 1496 SUBJECT: GRB020812: optical observations DATE: 02/08/16 10:42:10 GMT FROM: Elena Pavlenko at CrAO Subject: GRB020812: optical observations E.Pavlenko (CrAO), V.Doroshenko (GAISh), S.Sergeev (CrAO), O.Dudka (CrAO), A.Baklanov (Odessa Univ.), N.Primak (Kiev Univ.), and A. Pozanenko (IKI) report: We have observed the field 15'x15' of GRB 020812 (HETE trigger 2257, Seq. 3) at two telescopes of the Crimean Astrophysical Observatory. The optical candidate was not detected. Following is the summary of observations. Telescope time (UT) Exposure Filter Limit. mag 70 cm Aug 12 20:18 120 c R 17.5 38 cm Aug.12 20:57 300 c R 17 This message may be cited