{
  "bibcode": "2015GCN.18721....1M",
  "body": "E. Mazaeva (IKI), I. Reva (Fesenkov Astrophysical Institute), A. Kusakin \n(Fesenkov Astrophysical Institute), A. Volnova (IKI), A. Pozanenko (IKI) \nreport on behalf of larger GRB follow-up collaboration:\n\nWe observed V404 Cyg after Swift BAT trigger 668097 (Barthelmy et al., \nGCN 18716) with Zeiss-1000 (East) 1-m telescope of Tien Shan \nAstronomical Observatory. Observations started on Dec., 23 (UT) \n12:19:13. We obtained 165 images in R-filter of 30 s exposure.\n\nPreliminary light curve \nhttp://grb.rssi.ru/V404_Cyg/v404Cyg_20151223_lc.pngof the V404 Cyg can \nbe found in http://grb.rssi.ru/V404_Cyg/v404Cyg_20151223_lc.png\n\nPhotometry is based on following USNO-B1.0 stars\n\nID              R2\nUSNO-B1.0_id\tR2\n1238-0435152\t15.98\n1239-0424177\t14.99\n1239-0424179\t15.61\n1238-0435111\t16.33",
  "circularId": 18721,
  "createdOn": 1450981894000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "V404Cyg Swift Trigger 668097: TSHAO optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>"
}