TITLE: GCN CIRCULAR NUMBER: 12619 SUBJECT: GRB 111022B: CrAO optical limit DATE: 11/12/04 22:27:27 GMT FROM: Alexei Pozanenko at IKI, Moscow V. Rumyantsev (CrAO), A. Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration: We observed the field of GRB 111022B (Holland et al. GCN 12472) with Shajn telescope of CrAO observatory starting on Oct. 22 (UT) 20:44:36 under a mean seeing (FWHM) of 3.2 arsces. We took several frames with exposure of 60 s in R-band. Within enhanced Swift-XRT position (Beardmore et al. GCN 12478) we do not detected any optical source. A photometry is based on the USNO B1.0 star 1396-0186811 (07 15 51.05 +49 40 13.0) assuming R=17.07 . T_start UT T0+ Filter, Exposure, OT, uplim (3 sigma) (mid, d) (s) 20:44:36 0.1711 R 64x60 n/d 22.8