GCN Circular 17007
E. Mazaeva (IKI), A. Khruslov (INASAN), A. Volnova (IKI), A. Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration: We observed the field of the GRB 141031B (Gompertz et al., GCN 16998) with Zeiss-1000 (East) 1m telescope of Tien Shan Astronomical Observatory on Oct., 31 starting on (UT) 15:39:02, i.e. ~0.7 hours after burst trigger. We took several images in R-filter of 600 exposure. In the first image we do not detect any object brighter than R=21.5 in XRT error circle (Gompertz et al., GCN 16998). Details of the photometry are following: date UT start t-T0 Filter Exp. UL (3 sigma) (mid, days) (s) 2014-10-31 15:39:02 0.03284 R 600 21.5 The photometry is based on nearby SDSS DR9 stars.