{
  "bibcode": "2011GCN.12713....1V",
  "body": "A.Volnova (SAI MSU), M. Andreev, A. Sergeev �(Terskol Branch of INASAN), V.\nPetkov (Baksan Neutrino Observatory of INR), N. Karpov, O. Andrienko, K.\nMartynyuk-Lototsky, N. Parakhin, N. Borachok, V. Kozlov, G. Butenko, V.\nGodunova (IC AMER, NASU), A. Pozanenko (IKI) report:\n\n\nWe observed the field of GRB 111210A (Siegel et al., GCN 12650) with\nZeiss-600 telescope of Mt.Terskol observatory on Dec 11 between\n01:06:25 and 03:09:45 UT under poor weather condition and mean seeing\nof about 2.2\". We took 120 frames in R-band with exposure of 60\nseconds. In a stacked frame we did not detect any source within the\nenhanced XRT error circle (Goad et al., GCN 12652). The photometry of\nthe field is based on a few stars from USNO-B1.0 catalogue.\n\nt-t0 � � � � � � � filter � exp. � � � �OT � �uplim (3sigma)\n(mid., days) � � � � � �(s)\n\n0.48006 � � � � R � � �120x60 � �n/d � � 18.6",
  "circularId": 12713,
  "createdOn": 1324565338000,
  "email": "alinusss@gmail.com",
  "subject": "GRB 111210A: optical upper limit of Mt. Terskol observatory",
  "submitter": "Alina Volnova at SAI MSU  <alinusss@gmail.com>",
  "eventId": "GRB 111210A"
}