{
  "bibcode": "2019GCN.24947....1B",
  "body": "S. Belkin (IKI), S. Schmalz (KIAM), A. Pozanenko (IKI), A. Volnova \n(IKI),  E. Mazaeva  (IKI),  I. Molotov (KIAM) report on behalf of larger \nGRB IKI FuN collaboration:\n\nWe observed the field of GRB 190630C (Ukwatta et al., GCN 24927) with \nORI-22 (22 cm) telescope of ISON-Castelgrande observatory in Clear \nfilter starting on July 01  (UT) 00:03:42.  We do not detect any object \nwithin enhanced Swift-XRT position (Goad et al., GCN 24930). Preliminary \nphotometry of the field is following\n\nDate       UT start t-T0    Filter Exp.   OT    Err. UL\n                     (mid, days) (s)\n\n2019-07-01 00:03:42 0.02584  CR    53*60  n/d   n/d 18.8\n\nThe photometry is  based on nearby USNO-B1.0 (R2) stars.",
  "circularId": 24947,
  "createdOn": 1562011678000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 190630C: ISON-Castelgrande optical upper limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 190630C"
}