TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3331 SUBJECT: GRB050502B: Optical Limits from ANU 1m DATE: 05/05/02 11:55:43 GMT FROM: Brian Schmidt at RSAA, ANU (MSSSO) Joshua Rich, Brian Schmidt (Australian National University) and Jessie Christiansen (UNSW) report on behalf of a larger collaboration: Images taken with ANU 1m telescope show no source at the position of the SWIFT OT reported by Falcone et al. (GCN 3330) at the following (approximate) limits Band Time (UT) Age (Minutes) Limit V 9:35 9 V>19 V 9:48 22 V>21 I 9:58 32 I>20.5 This message may be cited.