{
  "bibcode": "2014GCN.15995....1V",
  "body": "A.Volnova (IKI),  E. Klunko (ISTP),  I. Korobtsev (ISTP), M. Eselevich \n(ISTP), A. Pozanenko (IKI) report on behalf of larger GRB follow-up \ncollaboration:\n\nWe observed the field of GRB 140311B (Racusin et al., GCN 15945)  with \nAZT-33IK telescope of Mondy observatory starting on Mar. 12 (UT) \n20:21:16. Within enhanced Swift-XRT eror circle (Evans et al., GCN \n15958) we do not detect the optical afterglow (Xu  et al., GCN 15949). \nDetails of the photometry is following:\n\ndate       UT start   t-T0      Exp.    Filter  UpperLimit (3sigma)\n                     (mid, days) (s)\n2014-03-12 20:21:16  0.98389    30x120  R       20.2\n\nThe photometry is based on reference star SDSS-DR9, (R mag,\ntransformation by Lupton 2005):\n\nN  SDSS_id          R(Lupton)   err\nJ164910.91+524333.6 17.449    0.009",
  "circularId": 15995,
  "createdOn": 1395175527000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 140311B: Mondy optical limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 140311B"
}