{
  "bibcode": "2020GCN.26869....1B",
  "body": "S. Belkin (IKI), A. Pozanenko (IKI), E. Klunko (ISTP),  E. Mazaeva \n(IKI), A. Volnova (IKI) report   on behalf of IKI-GRB-FuN:\n\nWe observed the field of  GRB 200122A (Sonbas et al.  GCN 26844) with \nAZT-33IK telescope of Sayan observatory (Mondy) starting on Jan. 22 (UT) \n  20:23:25.   We  do not detect any optical object in the Enhanced \nSwift-XRT position  (Osborne et al.  GCN 26846). Preliminary photometry \nof the field  is following.\n\nDate       UT start   t-T0       Filter Exp.    OT       UL(3sigma)\n                       (mid, days)        (s)\n\n2020-01-22 20:23:25   0.79876     R     30*120  n/d      23.3\n\nPhotometry is based on the USNO-B2.0 nearby stars\nUSNO-B1.0_id R2\n1175-0271901 16.74\n1174-0271881 19.69",
  "circularId": 26869,
  "createdOn": 1579871985000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 200122A: Mondy optical upper limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 200122A"
}