TITLE: GCN CIRCULAR NUMBER: 17142 SUBJECT: GRB 141205A: Nanshan optical upper limit DATE: 14/12/06 16:05:50 GMT FROM: Dong Xu at DARK/NBI D. Xu (DARK/NBI), H.-B. Niu, A. Esamdin, L. Ma (XAO) report: We observed the field of GRB 141205A (Cummings, GCN 17137), using the 1m telescope located at Nanshan, Xinjiang, China. Observations were performed between 17:26:18 UT and 21:26:52 UT on 2014-12-05, and a series of R-band 120s/200s exposures were obtained. No credible uncatalogued optical transient was found within the BAT error circle (Markwardt et al., GCN 17140), down to a limiting magnitude of R~20.4 mag.