GCN Circular 17000
D. Xu (DARK/NBI), C.-H. Bai, T.-Z. Yang, A. Esamdin, L. Ma (XAO) report: We observed the field of GRB 141031B (Gompertz et al., GCN 16998), using the 1m telescope located at Nanshan, Xinjiang, China. We obtained 2x300s and 1x600s R-band images, starting at 16:02:08 UT on 2014-10-31 (i.e., 1.090 hr after the burst). No optical source is detected at the XRT position (R.A.=23:47:37.24, Dec.=+41:21:07.7, Err. Rad.=2.4"), down to a limiting magnitude of R=20.6 mag.