GCN Circular 4047
G. Kornienko (UAPhO), V.Rumyantsev (CrAO), A.Pozanenko (IKI) on behalf of larger GRB follow up collaboration report: We have observed the error box of the Swift GRB050922B (Norris et al. GCN 4008) with 0.4m telescope of Ussuriysk Astrophysical Observatory (UAPhO) in R-band starting on Sep. 22 15:22 (UT). No new source was found in the GRB error box. Upper limit of a stacked image (10x60 s) calibrated against of USNO-A2.0 (R) is following: Mid time, Exposure, Filter, Limiting mag. (UT) (s) Sep.22 15:37 10x60 R 16.0 The message may be cited.