TITLE: GCN CIRCULAR NUMBER: 19808 SUBJECT: GRB 160816A: LCOGT-FTN optical candidate DATE: 16/08/17 08:17:39 GMT FROM: Cristiano Guidorzi at Ferrara U,Italy C. Guidorzi (U. Ferrara), S. Kobayashi, I.A. Steele (LJMU), C.G. Mundell (U. Bath), A. Gomboc (U. Nova Gorica) on behalf of a large collaboration report: The 2-m LCOGT Faulkes Telescope North began observing Fermi-LAT GRB 160816A (Racusin et al., GCN 19802) on August 17, 07:23:08 UT (13.9 hours after the burst trigger). Inside the Swift-XRT error circle of the X-ray afterglow candidate (Kennea et al., GCN 19806) we find an uncatalogued source at the following position: RA(J2000)= 21:29:38.58 Dec(J2000)= +37:07:58.7 with an uncertainty of 1.0 arcsec and r~21.0 +- 0.2 mag (AB).