TITLE: GCN CIRCULAR NUMBER: 18627 SUBJECT: GRB 151118A: AAO optical upper limit DATE: 15/11/20 15:09:39 GMT FROM: Alexei Pozanenko at IKI, Moscow E. Mazaeva (IKI), R. Inasaridze (AAO), V. Ayvazian (AAO), A. Volnova (IKI), I. Molotov (KIAM), A. Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration: We observed the field of the Swift GRB 151118A (Amaral-Rogers et al., GCN 18611) with AS-32 (0.7m) telescope of Abastumani Observatory starting on Nov. 18 (UT) 18:08:09. We do not detect any source within enhanced XRT error circle (Evans et al., GCN 18614): Date UT start t-T0 Filter Exp. UL(3 sigam) (mid, days) (s) 2015-11-18 18:08:09 0.65922 None 35*120 22.1 The photometry is based on nearby USNO-B1.0 stars USNO-B.1_id R2 1559-0079254 15.66 1559-0079234 16.18 1559-0079286 15.60 1559-0079243 16.15 1558-0078596 14.88