{
  "bibcode": "2011GCN.11631....1S",
  "body": "B. E. Schaefer (Louisiana State), H. Flewelling (IfA/Hawaii), W. \nRujopakarn (Steward), T. Guver (U Arizona), report on behalf of the ROTSE \ncollaboration:\n\nROTSE-IIIb, located at McDonald Observatory, Texas, responded to GRB\n110205A (Swift trigger 444643). The first image was at 02:04:03.4 UT, 82.0\ns after the burst (8.4 s after the GCN notice time). The unfiltered images\nare calibrated relative to USNO A2.0. On the first images, we detect a\n17.0 magnitude source with coordinates:\n\n     10:58:31.11      +67:31:31.91    (J2000), with positional uncertainty \nof 1\" or better\n\nstart UT    \tmag     mlim(of image)\n----------------------------------\n02:06:00.5     17.0     17.6 \n\n\nThis source is at the position of the Swift XRT and UVOT transients, and\nnot visible in DSS (second epoch), 2MASS or the MPChecker database.  On\nour first two sets of ten images, the source is faint, near our limit,\nwhile for our third and fourth coadded images the source has significnatly\nbrightened by over two magnitudes, apparently to magnitude around 13.9.\n\nContinuing observations are in progress.",
  "circularId": 11631,
  "createdOn": 1296873561000,
  "email": "schaefer@grb.phys.lsu.edu",
  "subject": "GRB 110205A: ROTSE-III, Optical Counterpart is flaring to ~14 mag",
  "submitter": "Brad Schaefer at LSU  <schaefer@grb.phys.lsu.edu>",
  "eventId": "GRB 110205A"
}