TITLE: GCN CIRCULAR NUMBER: 9611 SUBJECT: GRB 090529: MTM-500 optical observations DATE: 09/07/03 22:16:50 GMT FROM: Alexei Pozanenko at IKI, Moscow A. Volnova (SAI MSU), K. Naumov, V. Kouprianov, A. Devyatkin (Pulkovo Observatory), A. Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration: We observed the field of the Swift GRB 090529 (Sakamoto et al. GCN 9430) with MTM-500 (0.5m) telescope of Kislovodsk solar station (43d 44.77' N, 42d 31.42' W) of the Pulkovo observatory in two series in R-filter starting May 29 (UT) 19:58. We do not detect optical afterglow (Xin et al. GCN 9431). The upper limits of combined images based on USNO-B1.0 are following: T0+ Filter, Exposure, mag., (d) (s) 0.2817 R 60x60 > 19.3 0.3324 R 55x60 > 19.4