GCN Circular 6722
Y.Q. Lou, X.F. Wang, L.P. Xin, M.Zhai, 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 070808 (Cummings et al., GCN 6718) with the Xinglong TNT 80cm telescope. Observation started from 18:29:55, 115s after the burst with White and R band. No new object was seen in our combined image within XRT error circle. The 3 sigam limit is ~19.7 in our co-added White image derived from USNO-A2.0, with mean time ~330s after the burst. Observation is on going. This message may be cited.