TITLE: GCN CIRCULAR NUMBER: 6467 SUBJECT: GRB 070529: Xinglong TNT Optical Upper Limit DATE: 07/05/29 16:40:25 GMT FROM: W.K. Zheng at NAOC 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 070529 (Holland et al., GCN 6466) with the Xinglong TNT 80cm telescope. Observation was performed with V and R band. We noticed this was a crowded field and we didn't detect the OT (Holland et al., GCN 6466) in our combined images, the R band 3 sigma upper limit is ~20.1 derived from USNO-B1.0 with mean time 2.03 hours after the burst. This message may be cited.