{
  "bibcode": "2009GCN..9468....1K",
  "body": "V.Krushinski, I.Zalognikh, A.Popov, T.Kopytova\nUral State University, Kourovka\n\nE. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski, N.Shatskiy, N.Tyurina,\nD.Kuvshinov, P.Balanutsa, V.V.Chazov, P.V.Kortunov, A.Kuznetsov\nSternberg Astronomical Institute, Moscow State University\n\nK.Ivanov, S.Yazev\nIrkutsk State University\n\nA. Tlatov, A.V. Parhomenko,\nKislovodsk Solar Station of the Pulkovo Observatory\n\n\n\n\nMASTER II robotic telescope (MASTER-Net: http://observ.pereplet.ru, \n2x500mm,2 x 4 square degrees, 2 x 16Mpx Apogee CCD) located\nat Kourovka Observatory has  observed  FERMI error box\n\nGRB_RA:          313.740d {+20h 54m 58s} (J2000)\nGRB_DEC:         +32.350d {+32d 21' 00\"} (J2000)\n\n1.18 degres error box radius (Trigg Number 265206153)\n\nstarting after sunset (19:18:23.275, ~7 hours after GRB time) with 180s \nexposure in R and V filters simultaniuosly at ~60 degrees zenit distance.\n\n\nRobot do not detect OT with limit:\n  R>19.0 V>18.1\n\nOur images cover 30% last 1 sigma error box (A. von Kienlin, GCN Circ \n9447)\n\n\nThe R-image is available at\n\n\nhttp://observ.pereplet.ru/images/GRB090528B/grb090528B.jpeg\n\nThe black circle is A. von Kienlin, GCN Circ 9447 error box.\nThe message may be cited.\n\nmailto: lipunov@sai.msu.ru",
  "circularId": 9468,
  "createdOn": 1243845040000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "GRB 090528B: MASTER-II Kourovka  optical limit",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>",
  "eventId": "GRB 090528B"
}