{
  "bibcode": "2016GCN.19825....1M",
  "body": "E. Mazaeva (IKI),  E. Chornaya (UAFO, ISON), A. Matkin (UAFO), I. \nMolotov (KIAM), A. Pozanenko (IKI) report on behalf of  larger GRB \nfollow-up collaboration:\n\nWe observed the field of GRB 160816A  (Racusin et al., GCN 19802; \nMailyan et al., GCN 19804)   with SANTEL-650 (0.65m)  telescope  of \nUAFO/ISON-Ussuriysk observatory. We obtained several unfiltered images \nstarting on  August 17 (UT) 11:47:34.  We detected  optical afterglow \n(Guidorzi et al. GCN 19808; Troja et al. GCN 19809). Preliminary \nphotometry of a combined image is following\n\nDate       UT start   t-T0   Filter  Exp.   OT     Err.  UL\n                       (mid, days)    (s)\n\n2016-08-17 11:47:34 0.80873  CR      275*20 20.90  0.22  21.5\n\nPhotometry is based on nearby USNO-B1.0 stars\nUSNO-B1.0_id    R2\n1271-0576219    17.27\n1271-0576200    17.52\n1271-0576190    18.12\n1271-0576101    17.00\n1271-0576308    17.05",
  "circularId": 19825,
  "createdOn": 1471620890000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 160816A: ISON/UAFO optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 160816A"
}