TITLE: GCN CIRCULAR NUMBER: 12738 SUBJECT: GRB 111228A: Xinglong TNT confirms the optical afterglow DATE: 11/12/28 16:46:27 GMT FROM: L.P. Xin at NAOC L.P. Xin, J. Z. Li, J.Y. Wei, Y. L. Qiu, J. Wang, J.S. Deng, C. Wu, X. H. Han on behalf of EAFON report: We began to observe GRB 111228A (Ukwatta et al., GCN 12737) with Xinglong TNT telescope at 15:46:18 (UT), about 96 sec after the burst. A series of White, R-band images were obtained. The optical counterpart (Ukwatta et al., GCN 12737) was detected in all the images. The brightness of OT is about 16.5 magnitude at the mean time of 106 sec after the burst, relatively to USNO B1.0 catalogure. Follow-up observations are ongoing. This message may be cited. For more information about Xinglong GRBs Follow-up observations, please visit the website: http://www.xinglong-naoc.org:8080/grb/index.html"