{
  "bibcode": "2016GCN.20012....1M",
  "body": "E. Mazaeva (IKI), A. Pozanenko (IKI), B. Hafizov (UBAI), A. Volnova \n(IKI), O. Burhonov (UBAI) report on behalf of larger GRB follow-up \ncollaboration:\n\nWe observed the field of GRB 161004A  (Evans  et al., GCN 19979) with \nAZT-22 telescope of Maidanak observatory equipped with SNUCAM in R \nfilter starting on Oct. 04 (UT) 14:25:10. We  clearly detected optical \nafterglow  (Evans  et al., GCN 19979; Breeveld et al., GCN 19984; \nMazaeva et al., GRB 20011). Preliminary photometry  of the afterglow in \na combined image is following\n\nDate         UT start   t-T0    Filter   Exp.     OT    Err.   UL\n                        (mid, days)        (s)\n\n2016-10-04   14:25:10  0.06981  R        15*120   22.0  0.15   22.7\n\nPhotometry is based on nearby SDSS-DR9 stars used in GCN 19980.",
  "circularId": 20012,
  "createdOn": 1475886418000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 161004A: Maidanak optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 161004A"
}