{
  "bibcode": "2009GCN..9733....1M",
  "body": "A. Moskvitin, A. Valeev, T. Fatkhullin,\nO. Sholukhova & S. Fabrika (SAO-RAS Niznijh Arkhyz, Russia),\non behalf of a larger colaboration, report:\n\nWe observed the GRB090727 optical afterglow (Smith et al. GCN Circ. 9719,\nGCN Circ. 9722; J. Gorosabel et al. GCN Circ 9728 ) with the SAO RAS 6-m\ntelescope in Caucasus. The observations were carried out in the R band \nwith a total exposure of 158 sec. The weather was cloudy with a sufficient\natmospheric extinction. We estimated the brightness of the object as\nR = 21.53 +/- 0.17 at the middle epoch of 23:21:12 27 July 2009 UT\n(2334 sec after the trigger). Calibration was done aganist 10 USNO B1.0 \nstars.\n\nThis message may be cited.",
  "circularId": 9733,
  "createdOn": 1248870694000,
  "email": "sokolov@sao.ru",
  "subject": "GRB 090727: optical observations",
  "submitter": "Vladimir Sokolov at SAO RAS  <sokolov@sao.ru>",
  "eventId": "GRB 090727"
}