{
  "bibcode": "2012GCN.13307....1B",
  "body": "D Bersier, C. Guidorzi, A. Melandri, J. Jalpelj report:\n\nThe Faulkes Telescope South robotically observed GRB120521B (Swift trigger \n522586, Cumming et al, GCN 13305). The first exposure started approximately 240 \nseconds after the trigger time.\nDigital image subtraction does not reveal any variable source inside the XRT \nerror circle. We find upper limits in R ~ 22.0 (40 minutes after the burst).\n\n[GCN OPS NOTE(21may12): Corrected per Circular 13308.]",
  "circularId": 13307,
  "createdOn": 1337596522000,
  "email": "dfb@astro.livjm.ac.uk",
  "subject": "GRB120521B: Faulkes Telescope South observations",
  "submitter": "David Bersier at Liverpool John Moores U  <dfb@astro.livjm.ac.uk>",
  "eventId": "GRB 120521B"
}