TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3689 SUBJECT: GRB050727: KAIT optical limit DATE: 05/07/27 08:02:57 GMT FROM: Weidong Li at UC Berkeley KAIT/LOSS W. Li, University of California, Berkeley, on behalf of the KAIT GRB team, report: "The robotic 0.76-m Katzman Automatic Imaging Telescope (KAIT) at Lick Observatory observed GRB050727 detected with Swift (Trigger No. 147918). A series of images was automatically obtained from 06:33:35 UT (113s after the burst) to 06:54:04 UT (1342s after the burst). The sequence includes a combination of images taken with the V and I filters, as well as some that are unfiltered. We did not detect a new object in our images when compared to the DSS II images. Our first 15s unfiltered image started at 112.65s after the burst has a limiting magnitude of about 18.2 when compared to the USNO-B1.0 catalog." This message may be cited.