{
  "bibcode": "2021GCN.29292....1N",
  "body": "A. Novichonok (Petrozavodsk State University, KIAM), S. Belkin (IKI), \nA. Pozanenko (IKI), Sh. Ehgamberdiev (UBAI) report on behalf of GRB IKI FuN:\n\nWe observed the field of GRB 210112A (Ambrosi  et al., GCN 29289) with \n  Kitab-ISON RC-36  telescope starting on 2021-01-12 (UT) 01:54:30, i.e. \n447 seconds after trigger in Clear filter. We do not detect the \nafterglow candidate (Ambrosi  et al., GCN 29289) within enhanced \nSwift-XRT position (Goad et al., GCN 29290).\nPreliminary photometry of the field is following\n\nDate,      UT start, t-T0,   Exp.,  Filter,  OT,   Err., UL\n                     (mid, days)\n2021-01-12  01:54:30  0.01541 11*30 CR       n/d   n/d   18.5\n\n\nThe photometry is based on nearby USNO-B1.0 stars\nUSNO-B1.0_id R2\n1231-0260671 14:35:00.70080 +33:06:09.4428 14.32\n1229-0281658 14:34:57.67344 +32:58:13.0800 14.75\n\n\n\nAt 01:37:03 UT",
  "circularId": 29292,
  "createdOn": 1610450367000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 210112A: Kitab a optical upper limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 210112A"
}