TITLE: GCN CIRCULAR NUMBER: 5647 SUBJECT: GRB060927: optical observations DATE: 06/09/28 16:06:09 GMT FROM: Alexei Pozanenko at IKI, Moscow K. Antoniuk, V. Rumyantsev (CrAO), A. Pozanenko (IKI) on behalf of larger GRB follow up collaboration report: We observed the error box of GRB060927 (Barbier et al., GCN 5627) with AZT-11 (1.25m) telescope of CrAO observatory between Sep. 27 (UT) 17:38:49 and 18:21:35. The OT (Schaefer et al., GCN5629) is clearly detected in a combined image. A preliminary photometry against USNOA2.0 star (RA 21 58 12.96 Dec +05 22 31.40 18.60R) is following: Mid time (UT), Exposure, R_mag Sep. 27.750 15x180 s 21.4 +/- 0.3 The message may be cited.