TITLE: GCN GRB OBSERVATION REPORT NUMBER: 5638 SUBJECT: GRB 060927: Xinglong TNT optical observations DATE: 06/09/27 17:47:44 GMT FROM: W.K. Zheng at NAOC M.Zhai, L.P. Xing, Y.L. Qiu, J.Y. Wei, J.Y. Hu, J.S. Deng Y. Urata and W.K. Zheng on behalf of EAFON report: We have imaged the field of GRB 060927 with the TNT 0.8m telescope at Xinglong Observatory.The first image was taken at 14:09:06UT, 91s after the burst. A series of White and R band images were obtained. The optical afterglow is detected in out early 19*20s combined White image. We estimated the mag ~19.8 +/- 0.4 with mean time 320s after the burst derived from USNO A2.0 This message may be cited.