{
  "bibcode": "2008GCN..7709....1M",
  "body": "S. Maeno, H. Naito, S. Narusawa and R. Iizuka report on behalf of NHAO.\n\nWe observed the field of GRB 080506 (GCN 7685) with MINT on the\n2.0-m NAYUTA telescope at Nishi-Harima Astronomical Observatory,\nJapan. We detected the optical afterglow in R-band on 2008 May 6\n17:58:02 UT  (701 seconds after the BAT trigger).\n\nThe magnitudes relative to the USNO B1.0 catalog are below.\n\nStart(UT) exp(sec) R-mag R-err\n--------------------------------------------\n02:58:02    150    18.23    0.11\n03:03:51    240    18.22    0.12\n03:14:22    300    18.51    0.13\n03:32:29    300    18.95    0.13\n03:53:52    450    19.26    0.13\n04:10:55    450    19.64    0.21\n--------------------------------------------",
  "circularId": 7709,
  "createdOn": 1210601961000,
  "email": "iizuka@nhao.go.jp",
  "subject": "GRB 080506: NAYUTA Optical Observation",
  "submitter": "Ryo Iizuka at NHAO  <iizuka@nhao.go.jp>",
  "eventId": "GRB 080506"
}