TITLE: GCN CIRCULAR NUMBER: 9282 SUBJECT: GRB 090429B: Super-LOTIS early observations DATE: 09/04/29 06:40:06 GMT FROM: Adria C. Updike at Clemson U Adria C. Updike (Clemson University), G. Grant Williams (MMTO Observatory), Peter A. Milne (Steward Observatory), and Dieter H. Hartmann (Clemson University) report: The 0.6m Super-LOTIS telescope at Kitt Peak National Observatory began observing the field of GRB 090429B 40 seconds after the trigger (Ukwatta et al., GCN 9281) under good conditions. Observations consisted sets of 10, 20, and 60 second exposures. No new sources are found in the XRT error circle. The results of the stacked exposures are given below; time is given in seconds after the trigger (midtime of stack). Magnitudes were determined relative to the USNO B1.0 catalog. Band Exposures Time Mag ------------------------------------------- R 5 x 10sec 80 > 17 R 10 x 60sec 580 > 19 Observations are continuing. This message may be cited.