{
  "bibcode": "2018GCN.22853....1E",
  "body": "L. Elenin (KIAM), E. Mazaeva (IKI),  A. Pozanenko (IKI),  A. Volnova \n(IKI), I. Molotov (KIAM) report on behalf of larger GRB  follow-up \ncollaboration:\n\nWe observed the field of  the Swift GRB 180626A  (Evans et al., GCN \n22850) with ISON-NM observatory. Observation started 51 s after burst \ntrigger. We do not find optical afterglow (Evans et al., GCN  22850) in \na combined image of first 5 frames. Preliminary photometry of the filed \nis following.\n\n\nDate        UT start t-T0     Filter Exp.    OT   Err.   UL\n                      (mid, days)     (s)\n\n2018-06-26  08:22:07 0.00146  CR    5* 20  n/d  n/d    17.3\n\nThe photometry is based on several nearby USNO-B1.0 stars.",
  "circularId": 22853,
  "createdOn": 1530012347000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 180626A: ISON-MN optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 180626A"
}