{
  "bibcode": "2009GCN..9189....1K",
  "body": "K. Kinugasa, S. Honda, O. Hashimoto, H. Takahashi, H. Taguchi\n (Gunma Astronomical Observatory) report:\n\n The field of GRB 090410 (Grupe et al. GCN 9122) was observed\nwith the 150 cm telescope of the Gunma Astronomical Observatory.\nStarting at 18:33 UT (1.60 hours after the trigger), Rc and Ic frames\nwere acquired for 3 x 3-min and 5 x 3-min exposures under a high airmass\n(sec z ~3) condition.\n\n  We did not detect any new point source within the ground-calculated\nBAT error circle (Barthelmy et al. GCN 9123) to limiting magnitudes\nof Rc=19.0 and Ic=19.0 relative to USNO-B1.0 R2 and I magnitudes at the\nmeantime of 18:41 UT and 18:56 UT, respectively.",
  "circularId": 9189,
  "createdOn": 1240397941000,
  "email": "kinugasa@astron.pref.gunma.jp",
  "subject": "GRB 080410: GAO 150cm telescope Optical Observation",
  "submitter": "Kenzo Kinugasa at Gunma Astro. Obs/Japan  <kinugasa@astron.pref.gunma.jp>",
  "eventId": "GRB 080410"
}