{
  "bibcode": "2002GCN..1730....1T",
  "body": "K. Torii (RIKEN), H. Yamaoka (Kyushu U.), and T. Kato (Kyoto U.)\nreport:\n\n Starting at 15:21:26 UT on December 4th, the central 53x53 arcmin of\nthe error region of GRB 021204 (HETE trigger 2486; GRB time\n13:14:46.11 UT) was observed at RIKEN with 0.2-m f/4 reflector\nequipped with unfiltered CCD AP7p.\n\n Visual comparison of the first frame (30-s integration) with DSS does\nnot show a new object brighter than ~16.5 (USNO-A2.0 red magnitude).",
  "circularId": 1730,
  "createdOn": 1039499956000,
  "email": "torii@crab.riken.go.jp",
  "subject": "GRB 021204: Optical Observations at RIKEN",
  "submitter": "Ken ichi Torii at RIKEN  <torii@crab.riken.go.jp>",
  "eventId": "GRB 021204"
}