{
  "bibcode": "2016GCN.19212....1Y",
  "body": "V.Yurkov, Yu.Sergienko, D.Varda, E.Sinyakov\nBlagoveschensk Educational State University, Blagoveschensk\n\nE. Gorbovskoy, V. Lipunov,  V.Kornilov, D.Kuvshinov, N.Tyurina, P.Balanutsa, \nA.Kuznetsov, V.V.Chazov\nLomonosov Moscow State University,\nSternberg Astronomical Institute, Moscow State University\n\nA. Tlatov, A.V. Parhomenko, D. Dormidontov, V.Senik\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.Krushinski, I.Zalozhnih,  A. Popov\nUral Federal University, Kourovka\n\nD.Buckley, S. Potter, A.Kniazev, M.Kotze\nSouth African Astronomical Observatory\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\nR. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres\nThe Instituto de Astrofisica de Canarias\n\n\nMASTER II  robotic telescope (MASTER-Net: http://observ.pereplet.ru) \nlocated in Kislovodsk was pointed to the  GRB160321A 6 sec after notice \ntime and 68 sec after trigger time at 2016-03-21 15:56:35 UT. We do not \nfound optical transient within SWIFT error-box \n(Stamatikos et al., GCN 60321A) brighter then 13.1.\nAfter Sunset we found:\n\n\nPro.type\tDate time \t     Exp.time\tLimit\tFilt.\tTube.\nAlert \t      2016-03-21 16:43:44\t180\t18.6\tW\tWEST\nAlert \t      2016-03-21 16:43:44\t180\t18.1\tW\tEAST\nAlert \t      2016-03-21 16:40:18\t180\t18.6\tW\tWEST\nAlert \t      2016-03-21 16:36:45\t180\t18.6\tW\tWEST\nAlert \t      2016-03-21 16:36:45\t180\t18.1\tW\tEAST\nAlert \t      2016-03-21 16:33:16\t180\t18.5\tW\tWEST\nAlert \t      2016-03-21 16:28:25\t180\t17.6\tP\tWEST\nAlert \t      2016-03-21 16:28:25\t180\t17.6\tP\tEAST\nAlert \t      2016-03-21 16:21:39\t180\t17.4\tP\tEAST\n\nThe galaxy latitude is about zero. So this is the optical free GRB.\n\n\nThe message may be cited.",
  "circularId": 19212,
  "createdOn": 1458579703000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "GRB 160321A: MASTER observations zero Galaxy latitude GRB",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>",
  "eventId": "GRB 160321A"
}