{
  "bibcode": "2006GCN..4658....1S",
  "body": "E.Sonoda,S.Maeno,Y.Nakamura,S.Masuda,M.Yamauchi\n(University of Miyazaki)\n\n\n  We have observed the field covering the error circle of\nGRB060204B (GCN 4655) with the unfiltered CCD camera on\nthe 30-cm telescope at University of Miyazaki.\nThe observation was started 14:44:39 UT, 10.25 min\nafter the Swift trigger time.\nWe have compared our data of 30 sec exposures\nwith the USNO-A2.0 catalog,\nthe upper limits are as follows:\n--------------------------------------------------------------\nStart(UT)\tEnd(UT)\t    Num. of frames\tLimit (mag.)\t\n--------------------------------------------------------------\n14:44:39\t14:45:09\t1\t\t~15.1\n14:44:39\t14:48:48\t6\t\t~16.34\n---------------------------------------------------------------",
  "circularId": 4658,
  "createdOn": 1139071902000,
  "email": "sonoda@astro.miyazaki-u.ac.jp",
  "subject": "GRB060204B, optical observation",
  "submitter": "Eri Sonoda at U of Miyazaki/Japan  <sonoda@astro.miyazaki-u.ac.jp>",
  "eventId": "GRB 060204B"
}