TITLE: GCN CIRCULAR NUMBER: 13255 SUBJECT: GRB 120422A: Super-LOTIS early observations DATE: 12/04/23 06:49:46 GMT FROM: Peter A. Milne at Super-LOTIS Adria C. Updike (Dickinson College), Dieter H. Hartmann (Clemson University), Peter A. Milne (Steward Observatory), and G. Grant Williams (MMTO) report: We observed the field of GRB 120422A (Troja et al., GCN 13243) with the 0.6m Super-LOTIS telescope at KPNO beginning 77 seconds after the trigger under good conditions. We do not detect the OT (Cucchiara et al., GCN 13245; Kuin & Troja, GCN 13248) in the R band. Limiting magnitudes are given below, compared to the USNO B1.0 catalog. midtime (s) stack limiting mag ---------------------------------------------------- 126 4 x 5s 16.4 233 5 x 10s 16.9 557 5 x 60s 19.0