TITLE: GCN CIRCULAR NUMBER: 7104 SUBJECT: GRB 071117: Las Campanas optical observations DATE: 07/11/18 02:09:12 GMT FROM: Edo Berger at Princton U E. Berger (Princeton/OCIW) and S. Gonzalez (LCO) report: "We observed the XRT error circle of GRB 071117 (GCNs 7102,7103) with the Swope 40-inch telescope at LCO starting on 2007 Nov. 18.07 UT (10.8 hours after the burst). In a single 300 sec exposure we do not detect any source within the XRT error circle to a limit of i>21 mag."