{
  "bibcode": "2015GCN.18558....1K",
  "body": "V. Kozlov (IC AMER, NASU),  M. Andreev (Terskol Branch of INASAN), E. \nMazaeva (IKI), A. Sergeev (Terskol Branch of INASAN),  A. Volnova (IKI), A. \nPozanenko (IKI) report on behalf of larger GRB follow-up collaboration:\n\nWe observed the field of GRB 151027A (Maselli  et al., GCN 18478) with \nZeiss-600 telescope of Mt. Terskol observatory in R-filter starting on Oct. \n28 (UT) 21:23:11. We obtained several images in R-filter. The afterglow \n(Maselli et al., GCN 18478; Zheng and  Filippenko, GCN 18479) is clearly \ndetected in a combined image. The photometry of the combined image is\nfollowing\n\nDate             UT start    t-T0          Filter Exp.      OT      Err\n                                      (mid, days)          (s)\n\n2015-10-28 21:23:11 1.7431      R      25*120 19.56  0.12\n\nThe photometry is based on nearby USNO-B1.0 stars\nUSNO-B.1_id R2\n1513-0237223 16.66\n1513-0237170 15.58\n1513-0237251 16.81\n1513-0237270 16.78",
  "circularId": 18558,
  "createdOn": 1446631702000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 151027A: Mt. Terskol observatory optical observation",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 151027A"
}