{
  "bibcode": "2019GCN.24911....1V",
  "body": "A. Volnova (IKI), A. Novichonok (KIAM), S. Belkin (IKI),  A. \nZhornichenko (KIAM), A. Pozanenko (IKI), E. Mazaeva (IKI),  I. Molotov \n(KIAM)  report on behalf of larger GRB IKI FuN collaboration:\n\nWe observed the the optical afterglow of GRB 190627A (e.g. Sonbas  al., \nGCN  24888; Siegel al., GCN  24889) with Zeiss-1000 1-m telescope of \nKoshka Observatory on June, 27 and June, 28  in  R-filter.   We clearly \ndetect the  afterglow in both epoch. Preliminary photometry of the \nafterglow is following.\n\nDate       UT start   t-T0       Filter Exp.   OT   Err.   UL\n                      (mid, days)        (s)\n\n2019-06-27 18:53:57   0.31732    R     180  17.70  0.08  19.9\n2019-06-27 19:42:20   0.35092    R     180  17.80  0.07  20.3\n2019-06-28 19:22:50   1.36775    R    5400  19.75  0.08  21.5\n\nThe photometry is based on the same USNO-B1.0 (R2) stars used in GCNs \n24892 and 24900.",
  "circularId": 24911,
  "createdOn": 1561864561000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 190627A: Koshka Zeiss-1000 optical counterpart observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 190627A"
}