{
  "bibcode": "2004GCN..2608....1L",
  "body": "V. Lipunov, A.Krylov, V.Kornilov, G.Borisov, D.Kuvshinov,\nA.Belinski, I.Chilingarian, M.Kuznetsov,  S.Potanin, G.Antipov,\nE.Gorbovskoy, N.Tyurina\n\n\nSternberg Astronomical Institute, Alexsandr Krylov Observatory, Moscow\n\nAfter  HETE alert 3259 (Probable SRG1806-20)  MASTER robotic\ntelescope (http://observ.pereplet.ru) had automatically imaging  the\ncorresponding area of the sky.  We have 10\nunfiltered images of the error box (60s exposition, 6 square degrees\nfield) started at 28 May 2004\t22:25:22 UT (after 10 minutes GRB time).\nThe limiting magnitude on the first image was about 17.5. The limiting\nmagnitude on sum  was about 18.6.\n\nThere is no  OT at SGR1806-20 within the Chandra error circle\nas reported by (Eikenberry\net al. ApJ 563, L133; Kouveliotou et al., GCN Circ 2607).\n\nJPG-images  are available at\nhttp://observ.pereplet.ru/images/SRG1806-20/040528/\n\nThis message may be cited.",
  "circularId": 2608,
  "createdOn": 1086796705000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "MASTER:HETE Alert 3259 (SRG1806-20) optical observation",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>"
}