TITLE: GCN CIRCULAR NUMBER: 34502 SUBJECT: Swift Triggers 1186280 and 1186291 are not GRBs DATE: 23/08/20 19:24:01 GMT FROM: David Palmer at LANL S. Dichiara (PSU), J.D. Gropp (PSU), N. P. M. Kuin (UCL-MSSL), F. E. Marshall (NASA/GSFC), B. Sbarufatti (INAF-OAB) and M. A. Williams (PSU) report on behalf of the Neil Gehrels Swift Observatory Team: Swift BAT triggers 1186280 and 1186291, at 18:28:34 and 19:09:36 respectively on 2023-08-20 UT, were due to misidentification of known sources (Sco X-1 and the Crab) during a star tracker loss-of-lock event. They are not astrophysical events.