TITLE: GCN GRB OBSERVATION REPORT NUMBER: 5015 SUBJECT: GRB060427: Xinglong optical Observations DATE: 06/04/28 05:29:04 GMT FROM: W.K. Zheng at NAOC M.Zhai, Y.L. Qiu, J.Y. Wei, J.Y. Hu, J.S. Deng and W.K. Zheng, report on behalf of EAFON: We have observed the field of GRB060427 (GCN 5006) with the Xinglong 0.8m telescope 4.788 hours after the burst, thers is no new source brighter than 18.7(3-sigma) Mag within 4x600s combined R-band image. This message may be cited.