{
  "bibcode": "2012GCN.13954....1G",
  "body": "E. Gorbovskoy, V. Lipunov, V.Kornilov, D.Kuvshinov, A.Belinski, N.Tyurina, \nN.Shatskiy, P.Balanutsa, D.Zimnukhov, A.Kuznetsov, V.V.Chazov, \nD.Denisenko, A.Sankovich\nSternberg Astronomical Institute, Moscow State University\n\nA. Tlatov, A.V. Parhomenko, D. Dormidontov, V.Sennik\nKislovodsk Solar Station of the Pulkovo Observatory\n\nV.Yurkov, Yu.Sergienko, D.Varda, E.Sinyakov\nBlagoveschensk Educational State University, Blagoveschensk\n\nK.Ivanov, S.Yazev, N.M.Budnev, O.Gres, O.Chuvalaev, V.A.Poleshchuk\nIrkutsk State University\n\nV.Krushinski, I.Zalozhnih,  A. Popov\nUral Federal University, Kourovka\n\nHugo Levato and Carlos Saffe\nInstituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)\n\nClaudio Mallamaci, Carlos Lopez and Federico Podest\nObservatorio Astronomico Felix Aguilar (OAFA)\n\n\nMASTER II  robotic telescope (MASTER-Net: http://observ.pereplet.ru) \nlocated in Kislovodsk was pointed to the  GRB121108A (Ukwatta et. al. \nGCN13952)  36 sec after notice  time and 54 sec after GRB time at \n2012-11-08 17:48:33.174 UT in two  polarizations. On our first (10s \nexposure) set we haven`t found optical transient  within SWIFT  error-box.\nThe 5-sigma upper limit has been about 15.8 mag\nThe message may be cited.",
  "circularId": 13954,
  "createdOn": 1352403225000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "GRB 121108A: MASTER early prompt optical limit",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>",
  "eventId": "GRB 121108A"
}