{
  "bibcode": "2014GCN.16248....1I",
  "body": "K.Ivanov, S.Yazev, N.M.Budnev, O.Gres, O.Chuvalaev, V.A.Poleshchuk\nIrkutsk State University\n\nE. 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\nLomonosov Moscow State University,\nSternberg Astronomical Institute, Moscow 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.Krushinsky, I.Zalozhnih,  A. Popov\nUral Federal University, Yekaterinburg, 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 Tunka was pointed to the  GRB140512A   171 sec after trigger \ntime at 2014-05-12 19:34:40.212 UT. On our first (30s exposure) set we \nhaven`t found optical transient  within SWIFT error-box (ra=19 17 28 \ndec=-15 06 00 r=0.050000).\nThe 5-sigma upper limit has been about 16.2 mag\nObservations were made in twilight.\nThe message may be cited.",
  "circularId": 16248,
  "createdOn": 1399924144000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "GRB 140512A: MASTER optical observations",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>",
  "eventId": "GRB 140512A"
}