{
  "bibcode": "2008GCN..7408....1K",
  "body": "K. Kinugasa, S.Honda, O.Hashimoto, H.Taguchi (Gunma Astronomical\nObservatory)  report:\n\n The field of GRB 080307 (Holland et al. GCN 7362) was observed\nwith the 150 cm telescope of the Gunma Astronomical Observatory.\nStarting at 13:06 UT (1.67 hours after the burst), Rc, Ic, and\nV frames were acquired for 3 x 5-min, 6 x 5-min, and 2 x 5-min\nexposures, respectively.\n\n We do not identified the optical counterpart reported by\nTanvir et al. (GCN 7369) to 3-sigma limiting magnitudes of\nRc=21.5 and Ic=21.0 relative to USNO-B1.0 magnitudes.",
  "circularId": 7408,
  "createdOn": 1205234509000,
  "email": "kinugasa@astron.pref.gunma.jp",
  "subject": "GRB 080307: GAO 150cm telescope Optical Observation",
  "submitter": "Kenzo Kinugasa at Gunma Astro. Obs/Japan  <kinugasa@astron.pref.gunma.jp>",
  "eventId": "GRB 080307"
}