{
  "bibcode": "2015GCN.17305....1M",
  "body": "E. Mazaeva (IKI), S. Schmalz (AIP), N. Tungalag (Research Center of \nAstronomy and Geophysics MAS),  A. Volnova (IKI), I.Molotov (KIAM), A. \nPozanenko (IKI) report on behalf of larger GRB follow-up collaboration:\n\nWe observed the field of GRB GRB 150110B (Evans et al., GCN 17291) with \nORI-40 telescope of Khureltogot observatory. We obtained several \nunfiltered images on Jan. 10 starting on (UT) 22:31:36.  In a combined \nimage of the first 40 frames we  do not detect any optical source within \n  enhanced Swift-XRT position (Beardmore et al., GCN 17294). A \nphotometry of the combined image is following\n\nDate        UT start  t-T0       Filter  Exp.   ULimit (3sigma)\n                       (mid, days)        (s)\n\n2015-01-10  22:31:36  0.03113    none    40*60  19.3\n\n\nThe photometry is based on USNO-B1.0 stars\n\nUSNO-B1_id       RA             DEC        R2\n1224-0426323     289.294781   +32.470745   13.52\n1225-0423392     289.295778   +32.569009   13.80",
  "circularId": 17305,
  "createdOn": 1421524312000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 150110B: Khureltogot optical upper limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 150110B"
}