{
  "bibcode": "2013GCN.15536....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,\nSternberg Astronomical Institute, Moscow State University\n\nV.Yurkov, Yu.Sergienko, D.Varda, E.Sinyakov\nBlagoveschensk Educational State University, Blagoveschensk\n\n\nK.Ivanov, S.Yazev, N.M.Budnev, O.Gres, O.Chuvalaev, V.A.Poleshchuk\nIrkutsk State University\n\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 Kislovodsk was pointed to the  GRB131128.63 12 sec  after \nnotice time and 315 sec after GRB time at 2013-11-28 15:11:39.707 UT. On \nour first (60s exposure) set we haven`t found optical transient  within \nXRT SWIFT error-box.\n\nThere is bright star near XRT position USNO-A2.0 1200-19996598 R_mag ~ 12.\nThe 5-sigma upper limit has been about 17.1 mag.\nWe do not see OT at the Nanshan afterglow candidate position (Xu et al., \nGCN15535). \nThe message may be cited.",
  "circularId": 15536,
  "createdOn": 1385657975000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "GRB 131128A: MASTER-Net  optical observations",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>",
  "eventId": "GRB 131128A"
}