{
  "bibcode": "2005GCN..4284....1F",
  "body": "D.B. Fox (Penn State) and R.H. McNaught (RSAA/ANU, SSO) report on behalf\nof a larger colloboration:\n\n\"We have observed the Swift localization region for GRB 051117B (Band\net al., GCN 4281) with the 40-inch telescope at Siding Spring\nObservatory, in a series of unfiltered exposures beginning at 14:12 UT\n(49 minutes after the burst).  A coadded exposure at mean epoch 14:16\nUT reveals no source coincident with the XRT position (Beardmore et\nal., GCN 4282), nor any new sources within the BAT localization region\nby comparison to the DSS.  We estimate our limiting magnitude for this\nimage to be R=18.8 mag by comparison to the USNO-B1.0 catalog R-band\nmagnitudes of nearby stars.\"\n\n[GCN_OPS_NOTE(17nov05): per author's request the author list was added.]",
  "circularId": 4284,
  "createdOn": 1132248233000,
  "email": "dfox@astro.psu.edu",
  "subject": "GRB 051117B: Optical observations",
  "submitter": "Derek Fox at PSU  <dfox@astro.psu.edu>",
  "eventId": "GRB 051117B"
}