{
  "bibcode": "2013GCN.15405....1G",
  "body": "E. Gorbovskoy,  V. Lipunov, D. Denisenko, V. Kornilov,  A. Kuznetsov, D.\nKuvshinov, N. Tyurina, N. Shatskiy, P. Balanutsa, D.\nZimnukhov, V.V. Chazov\nLomonosov Moscow State University, Sternberg Astronomical Institute\n\nA. Tlatov, A.V. Parhomenko, D. Dormidontov, V. Sennik\nKislovodsk Solar Station of the Pulkovo Observatory\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\nV. Krushinski, I. Zalozhnich,  A. Popov, A. Bourdanov\nUral Federal University\n\nH. Levato and C. Saffe\nInstituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)\n\nC. Mallamaci, C. Lopez and F. Podest\nObservatorio Astronomico Felix Aguilar (OAFA)\n\nMASTER II  robotic telescope (MASTER-Net: http://observ.pereplet.ru)\nlocated in Kislovodsk was pointed to the  GRB131030A 50 min (3000s) after \nGRB time at 2013-10-30 21-46-10.273 UT.\nOn our first  (180 sec) images  we  found optical transient  within SWIFT \nerror-box (E. Troja et. al GCN15402).\nThe unfiltred magnitude is 16.5;\nThe 5-sigma upper limit has been about 19.0 mag.\nSo long pointing time was due to with daily power cut on the observatory.\nThe message may be cited.",
  "circularId": 15405,
  "createdOn": 1383170849000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "GRB 131030A: MASTER  optical observation",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>",
  "eventId": "GRB 131030A"
}