{
  "bibcode": "2005GCN..3760....1P",
  "body": "E. Pavlenko, Yu. Efimov, A. Shlyapnikov, A. Baklanov, V. Rumyantsev  (CrAO),\nA.Pozanenko (IKI), M. Ibrahimov (MAO) on behalf of larger GRB follow up\ncollaboration report:\n\nOn August 3, 21:20 (UT) we observed XRT error box (Racusin et al., GCN 3752)\nof   GRB050803 (Band et al., GCN 3748) with 2.6m Shain telescope (CrAO).\nWithin XRT error box we detect the object noted in GCN 3753 (Berger et al.).\nThe magnitude of the object is  R = 20.72 +/- 0.22  at  mid time August 3,\n(UT) 21:50 and was calibrated against of USNO B1.0 star 0957-0591541\n(R=19.31). Taking into account the I ~ 22 mag at August 4.234 (UT) repored\nby Berger et al. (GCN 3753)one can suggest that the object is fading and can\nbe considered as possible OT candidate.\n\nThis message may be cited.",
  "circularId": 3760,
  "createdOn": 1123176425000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB050803: CrAO optical observations, possible OT candidate",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 050803"
}