TITLE: GCN GRB OBSERVATION REPORT NUMBER: 5028 SUBJECT: GRB 060428B: Xinglong I-band limit DATE: 06/04/28 17:38:45 GMT FROM: W.K. Zheng at NAOC Y.Q. Lou, X.F. Wang (THCA), M.Zhai, Y.L. Qiu, J.Y. Wei, J.Y. Hu, J.S. Deng (NAOC) K.Y. Huang (NCU), Y. Urata (Saitama Univ.) on behalf of EAFON report: We have observed the field of GRB060428B (GCN 5017) with the Xinglong 0.8m telescope 3.54 hours after the burst, The candidate (GCN 5019) do not appear within our 7x600s combined I-band image. Upper limit is 19.1(SN=3) Mag . This message may be cited.