{
  "bibcode": "2019GCN.23951....1B",
  "body": "S. Belkin (IKI), I. Reva (FAPHI), A. Pozanenko (IKI), E. Mazaeva (IKI), \nA. Volnova (IKI), A. Kusakin (FAPHI), M. Krugov (FAPHI)  report   on \nbehalf of IKI-GRB-FuN:\n\nWe observed the afterglow of GRB 190311A (Troja et al.  GCN 23946) with \nZeiss-1000 1-m telescope of Tien Shan Astronomical Observatory starting \non Mar. 11 (UT) 15:54:08.   Preliminary photometry of the afterglow \ndetected previously (Troja et al.  GCN 23946; Pozanenko et al.  GCN \n23947; Zhu et al.  GCN 23948; Gorbovskoy et al.  GCN 23949) is following.\n\nDate       UT start t-T0    Filter  Exp. OT    Err.  UL\n                     (mid, days)     (s)\n\n2019-03-11 15:54:08 0.07228  R      3240 20.87 0.24  21.4\n\nThe photometry is based the stars used for calibration in GCN 23947.",
  "circularId": 23951,
  "createdOn": 1552336115000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 190311A: TSHAO optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 190311A"
}