{
  "bibcode": "2016GCN.20275....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 161214B  (D'Avanzoet al., GCN 20257) with \nAZT-33IK telescope of Sayan observatory (Mondy) starting on December, 15 \n(UT) 13:22:26. We obtained several images in R-filter.\nThe source previously reported (Malesani et al. GCN 20260; Marshall et \nal. GCN 20261) is clearly visible. Preliminary photometry of the source \nis following\n\nDate       UT start   t-T0    Filter  Exp.     OT     Err.  UL\n                      (mid, days)      (s)\n\n2016-12-15 13:22:26  0.85579  R     120*30    18.69   0.03  21.9\n\nThe photometry includes a catalogued star SDSS J001524.26+072108.5 \nalready mentioned by Malesani et al. (GCN 20260) and Marshall et al. \n(GCN 20268). The R magnitude of the star obtained by Lupton \ntransformations is 18.83 +/- 0.03.\n\nPhotometry is based on nearby SDSS-DR9 stars\nSDSS-DR9_id            R(Lupton)\nJ001520.09+072300.5    17.01\nJ001517.29+072310.4    17.05\nJ001513.07+071914.3    17.28\nJ001511.86+071859.3    16.07\nJ001513.35+071841.1    15.26\nJ001525.83+072141.2    14.31\nJ001524.40+072156.0    17.79\nJ001530.21+072230.9    16.94",
  "circularId": 20275,
  "createdOn": 1481911962000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 161214B: Mondy optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 161214B"
}