{
  "bibcode": "2011GCN.12613....1P",
  "body": "We observed the field of GRB 111123A (Stamatikos et al. GCN 12587) with \nShajn telescope of CrAO observatory on Nov. 25 between (UT) 02:48 and 03:44 \nunder a mean seeing of 2.0 arsces and large airmass. We took several frames \nwith exposure of 60 s in I-band. Within enhanced Swift-XRT position (Goad et \nal. GCN 12590) we do not detected the optical counterpart (Xu et al., GCN \n12589; Fugazza et al., GCN 12593). A photometry is based on the USNO B1.0 \nstar 0693-0243552 (10 19 20.57, -20 39 18.7, J2000) assuming I=16.85.\n\nT_start UT  T0+        Filter, Exposure, OT,  uplim (3 sigma)\n                  (mid, d)            (s)\n02:48:33     1.89584   I       49x60      n/d    22.2",
  "circularId": 12613,
  "createdOn": 1323015101000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 111123A: optical upper limit in CrAO",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 111123A"
}