{
  "bibcode": "2014GCN.16948....1M",
  "body": "E. Mazaeva (IKI), R. Inasaridze (AAO), A. Volnova (IKI), Molotov (KIAM), A. Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration:\n \nWe observed the field of the Swift GRB 141020A  (Cenko et al., GCN 16928) with AS-32 (0.7m) telescope of Abastumani Observatory. We obtained several unfiltered images on Oct. 20 starting on (UT) 15:41:01.  At the position reported in (Kuin et al., GCN 16932) we do not detect the afterglow of GRB 141020A  (Cenko et al., GCN 16928; Kuin et al., GCN 16932; Mazaeva et al., GCN 16943). Preliminary photometry is following:\n\ndate        UT start  t-T0        Filter  Exp.    OT    UL(3sigma)\n                      (mid, days)          (s)\n\n2014-10-20  15:41:01  0.3630      clear   38*120  n/d   21.4\n\nThe photometry is based on SDSS stars reported in GCN 16943.",
  "circularId": 16948,
  "createdOn": 1414198108000,
  "email": "alex@grb.rssi.ru",
  "subject": "GRB 141020A: AAO optical upper limit",
  "submitter": "Alexei Pozanenko at IKI  <alex@grb.rssi.ru>",
  "eventId": "GRB 141020A"
}