{
  "bibcode": "2008GCN..7418....1D",
  "body": "A. de Ugarte Postigo (ESO, Chile), Virginie Chantry (U. Liege, Belgium),\nA.J. Castro-Tirado, M. Jelinek, J. Gorosabel (IAA-CSIC, Spain),\nC. Melo, A. Smette (ESO, Chile) report:\n\nWe have observed the field of GRB 080315 (Page et al., GCN 7416) with the\n1.3m Mercator telescope at La Palma starting at 02:55 UT (30 min after\nthe burst).\nThe observation consisted on a series of 24x60s I-band exposures. The\ncombined\nexposure, with mean time 3:26 UT (61.3 minutes after the burst), does not\nshow\nany new source inside the 3 arcmin BAT error box down to a limiting\nmagnitude\nof I~20.8 (USNO-B1.0 was used as photometric reference) as compared to\nSDSS\ni-band frame.\n\nThis message may be cited.",
  "circularId": 7418,
  "createdOn": 1205558900000,
  "email": "deugarte@iaa.es",
  "subject": "GRB 080315: Optical observations",
  "submitter": "Antonio Deugarte at IAA-CSIC  <deugarte@iaa.es>",
  "eventId": "GRB 080315"
}