{
  "bibcode": "2014GCN.17035....1M",
  "body": "E. Mazaeva (IKI), A. Volnova (IKI),  E. Klunko (ISTP),  M. Eselevich (ISTP), \nI. Korobtsev (ISTP), A. Pozanenko (IKI) report on behalf of  larger GRB \nfollow-up collaboration:\n\nWe observed the field of GRB 141028A (Bissaldi et al., GCN 16969) with \nAZT-33IK telescope of Sayan observatory (Mondy) on Oct., 30  starting on \n(UT) 14:12:40.  We obtained several  images in R-filter. In a combined image \nwe  detect optical  afterglow (Gorbovskoy et al., GCN 16972; Graham et al., \nGCN 16977).\n\nDetails of the photometry are following:\n\ndate           UT start   t-T0      Filter  Exp.    OT     OT_err\n                               (mid, days)        (s)\n\n2014-10-30 14:12:40   2.1733  R      2520    21.66 0.22\n\n\nThe photometry is based on  following SDSS DR9 stars:\n\nSDSS_id                         R_Lupton\nJ213021,99-001255,7       15.503\nJ213030,76-001427,8       17.205\nJ213035,56-001205,6       16.620",
  "circularId": 17035,
  "createdOn": 1415347730000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 141028A: Mondy optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 141028A"
}