{
  "bibcode": "2012GCN.13274....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, A.Kuznetsov,\nA.Sankovich\nMoscow Lomonosov State University, Sternberg Astronomical Institute,\n\nK.Ivanov, S.Yazev, N.M.Budnev, O.Gres, O.Chuvalaev, V.A.Poleshchuk\nIrkutsk State University\n\nV.Yurkov, Yu.Sergienko, D.Varda, E.Sinyakov\nBlagoveschensk Educational State University, Blagoveschensk\n\nA. Tlatov, A.V. Parhomenko, D. Dormidontov, V.Sennik\nKislovodsk Solar Station of the Pulkovo Observatory\n\nV.Krushinski, I.Zalozhnich,  A. Popov, A. Bourdanov, A. Punanova\nUral Federal University\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) located in \nKislovodsk was pointed to the  GRB120427A  41h 32min after GRB time at \n2012-04-28 18:49:09 UT. On our  (180s exposure) set robot haven`t found optical transient  within IPN \nTriangulation  error-box (Hurley et al., GCN Circ 13271).\nThe 5-sigma upper limit has been about 20.0 mag\n\nThe message may be cited.",
  "circularId": 13274,
  "createdOn": 1335773644000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "GRB 120427A: MASTER follow up observations",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>",
  "eventId": "GRB 120427A"
}