{
  "bibcode": "2010GCN.11494....1A",
  "body": "M. Andreev, A. Sergeev (Terskol Branch of Institute of Astronomy), \nA.Pozanenko (IKI) on behalf of larger GRB follow up collaboration report:\n\nWe observed the field of the Swift  trigger 441015 = GRB 101225A? (Racusin \net al, GCN 11493) with Zeiss-600 telescope of Mt.Terskol observatory.\nIn the XRT error circle (Racusin et al, GCN 11493) we do not detect any \nsources down to R=21.5 (3 sigma):\n\nUT (mid time), Exposure,  Filter, ULimit\n19:46              21 x 120s  R        21.5\n\nThe combined image can be found at\nhttp://grb.eam.ru/Swift_441015/Trigger_441015_Zeiss600.jpg",
  "circularId": 11494,
  "createdOn": 1293313866000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 101225A (Swift trigger 441015): optical upper limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 101225A"
}