TITLE: GCN CIRCULAR NUMBER: 12125 SUBJECT: GRB 110709A : Xinglong TNT upper limit DATE: 11/07/09 23:40:40 GMT FROM: L.P. Xin at NAOC L.P. Xin, M,Zhai, Y.L. Qiu, J.Y. Wei, J. Wang, J.S. Deng, C. Wu, X. H. Han on behalf of EAFON report: We began to observe GRB110709A (Holland et al. GCN 12118) with Xinglong TNT telescope at 15:30:49 (UT), 6 min after the burst. A series of R-band images were obtained. After combining 10*20s R-band images, no any new source was found within the errorbox of X-ray counterpart,down to 3 sigma upper limit of R~19.1 mag at the mean time of 7.5 min after the burst. This message may be cited. For more information about Xinglong GRBs Follow-up observations, please visit the website: http://www.xinglong-naoc.org/grb/