TITLE: GCN GRB OBSERVATION REPORT NUMBER: 5230 SUBJECT: GRB 060605: Xinglong TNT optical observations DATE: 06/06/06 15:34:16 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, on behalf of EAFON report: We have imaged the field of GRB 060605 with the TNT 0.8m telescope at Xinglong Observatory.The first image was taken at 18:19:35 UT, 231s after the trigger.the optical counterpart (Rykoff et al. GCN 5220, Page et al., GCN5221) were all detected in our clear and R band images. The whole observation last about 1.3 hours.Preliminary analyses reveal a peak Mag at bout 430s with n~15.32 derived from USNO-B1.0 R catalog. Further analysis is under progress. This message may be cited.