{
  "bibcode": "2014GCN.15917....1V",
  "body": "A.Volnova (IKI), A. Pozanenko (IKI), I. Korobtsev (ISTP), E. Klunko \n(ISTP),  M. Eselevich (ISTP), report on behalf of larger GRB follow-up \ncollaboration:\n\nWe observed the field of GRB 140304A (Evans et al., GCN 15915)  with \nAZT-33IK telescope of Mondy observatory starting on Mar. 04 (UT) \n13:54:10, i.e. ~0.5 hour after burst trigger. In the first images of 60 \ns exposure we clearly detected afterglow of GRB 140304A reported by \nGorbovskoy et al. (GCN 15914) and Xu et al. (GCN 15916).  Preliminary \nphotometry of the fading afterglow is following:\n\ndate       UT start   t-T0      Exp.  Filter  OT\n                      (mid, days) (s)\n2014-03-04 13:54:10  0.02406    6*60  R       20.29 �� 0.17\n\nThe photometry is based on reference stars SDSS-DR9, (R mag,\ntransformation by Lupton 2005):\n\nN  SDSS_id          R(Lupton)   err\nJ020233.12+332550.3 15.665 0.012\nJ020219.91+332738.5 14.785 0.012",
  "circularId": 15917,
  "createdOn": 1393945379000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 140304A: Mondy optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 140304A"
}