TITLE: GCN CIRCULAR NUMBER: 9431 SUBJECT: GRB 090529: Xinglong TNT optical observation DATE: 09/05/29 15:51:34 GMT FROM: L.P. Xin at NAOC L.P. Xin, W.K. Zheng, Y. Urata, Y.L. Qiu, J.Y. Wei, J. Wang, J.S. Deng and J.Y. Hu on behalf of EAFON report: We have observed GRB 090529 (Sakamoto et al. GCN 9430) with Xinglong TNT telescope from May 29, 14:36:54 (UT), 24.3 min after the burst. After combined 20*20s white band images and preliminary analysis, An new source was found in our combined image within the XRT errorbox. The brightness is estimated to be about R~19.4 mag derived from USNO-B1.0 R2 magnitude, at the mean time of 28 min since the trigger. The observation is still going. This message may be cited. For more information about Xinglong GRBs Follow-up observations, please visit the website: http://www.xinglong-naoc.org/grb/