TITLE: GCN CIRCULAR NUMBER: 18953 SUBJECT: GRB 160131A: LCOGT-FTN optical afterglow observations DATE: 16/01/31 10:50:40 GMT FROM: Cristiano Guidorzi at Ferrara U,Italy C. Guidorzi, S. Dichiara (U. Ferrara), S. Kobayashi (LJMU), A. Gomboc (U. Nova Gorica), C.G. Mundell (U. Bath), on behalf of a larger collaboration report: The 2-m LCOGT Faulkes Telescope North began observing Swift GRB160131A (Page et al. GCN 18951) on Jan 31 at 09:37 UT (~77 minutes after the burst trigger) with griZY filters. We clearly detect the optical afterglow (Page et al. GCN 18951; Yurkov et al. GCN 18952), with a magnitude of r=15.29 +- 0.01 at 81 minutes post GRB, as calibrated against nearby USNOB-1 star RA(J2000)=05:12:41.5 DEC(2000)=-07:03:09.81 with R2=14.28. Observations are going on.