{
  "bibcode": "2016GCN.20226....1M",
  "body": "E. Mazaeva (IKI), A. Pozanenko (IKI), E. Klunko (ISTP), A. Volnova\n(IKI), I. Korobtsev (ISTP)  report on behalf of larger GRB follow-up\ncollaboration:\n\nWe observed the field of  GRB 161129A  (Kocevski et al., GCN 20210) with \n  AZT-33IK telescope of Sayan observatory (Mondy) starting on November, \n30 (UT) 11:19:53. We obtained several images in R-filter.\nWe detected  a source coinsiding with optical afterglow (Mazaeva et al. \nGCN 20215; Klose et al. GCN 20216; Kuin et al. GCN 20217; Kuroda et al. \nGCN 20218; Yanagisawa et al. GCN 20223). Preliminary photometry of a \ncombined image is following\n\nDate       UT start   t-T0    Filter  Exp.     OT     Err.  UL\n                      (mid, days)      (s)\n\n2016-11-30 11:19:53  1.19324  R      29*120    21.60  0.17  22.8\n\nPhotometry is based on nearby USNO-B1.0 stars\nUSNO-B.1_id    R2\n1221-0612083 17.30\n1221-0612140 19.02",
  "circularId": 20226,
  "createdOn": 1480611855000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 161129A: Mondy optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 161129A"
}