{
  "bibcode": "2016GCN.20224....1M",
  "body": "E. Mazaeva (IKI),  E. Chornaya (UAFO, ISON), A. Cochergin (UAFO), I. Molotov \n(KIAM), A. Pozanenko (IKI) report on behalf of  larger GRB  follow-up \ncollaboration:\n\nWe observed the field of  GRB 161129A  (Kocevski et al., GCN 20210) with \nSANTEL-650 (0.65m)  telescope  of UAFO/ISON-Ussuriysk observatory. We \nobtained several unfiltered images starting on  November 29 (UT) 11:47:34. \nWe detected  optical afterglow (Mazaeva et al. GCN 20215; Klose et al. GCN \n20216; Kuin et al. GCN 20217). Preliminary photometry of a combined image is \nfollowing\n\nDate             UT start      t-T0        Filter  Exp.     OT     Err.  UL\n                                       (mid, days)         (s)\n\n2016-11-29 10:46:15  0.16055  CR      27*60 19.90  0.08  22.5\n2016-11-29 11:19:35  0.18449  CR      30*60 19.95  0.09  22.5\n\n\nPhotometry is based on nearby USNO-B1.0 stars\nUSNO-B.1_id    R2\n1221-0612083 17.30\n1221-0612140 19.02",
  "circularId": 20224,
  "createdOn": 1480585234000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 161129A: ISON/UAFO optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 161129A"
}