{
  "bibcode": "2015GCN.18308....1A",
  "body": "M. Andreev (Terskol Branch of INASAN), E. Mazaeva (IKI), A. Sergeev (Terskol Branch of INASAN), A. Volnova (IKI), A. Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration:\n\nWe observed the field of GRB 150911A (Starling et al., GCN 18280) with Zeiss-600 telescope of Mt. Terskol observatory in R-filter starting on Sep. 11 (UT) 23:26:40. We do not detect any object within enhanced XRT error circle (Goad et al., GCN 18283). Photometry of the field is following\n\nDate UT start        t-T0 Filter Exp.   Upper_Limit (3sigma)\n                     (mid, days) (s)\n\n2015-09-11 23:26:40 0.2273 R     40*120 21.7\n\nPhotometry is based on nearby USNO-B.1 stars\nUSNO-B.1_id R2\n0957-0043966 15.54\n0957-0043954 16.24\n0957-0043961 16.45",
  "circularId": 18308,
  "createdOn": 1442215625000,
  "email": "alex@grb.rssi.ru",
  "subject": "GRB 150911A: Mt. Terskol observatory upper limit",
  "submitter": "Alexei Pozanenko at IKI  <alex@grb.rssi.ru>",
  "eventId": "GRB 150911A"
}