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TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2361 SUBJECT: RAPTOR observations of GRB030823 DATE: 03/08/23 19:16:42 GMT FROM: James Wren at LANL <jwren@nis.lanl.gov> J. Wren and W.T. Vestrand report on behalf of the RAPTOR team; Both telescope arrays of our RAPTOR stereoscopic sky monitoring system responded to the first HETE-2 ground notice for GRB030823 (2818). The first image was taken at 11:10:24.74 UT -- 4 seconds after receipt of the GCN notice and 2.3 hours after the burst itself. The initial images from RAPTOR-A reached an unfiltered limiting magnitude of 16.0. Comparison against our own archival frames and the USNO-A2.0 catalog within 10 arcminutes of the coordinates given in the second HETE ground notice (HETE 2818 seq. 4) yielded no candidate objects.
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