{
  "bibcode": "2004GCN..2773....1L",
  "body": "V. Lipunov, A.Krylov, V.Kornilov, G.Borisov, D.Kuvshinov, A.Belinski,\nM.Kuznetsov,  S.Potanin, G.Antipov, E.Gorbovskoy, N.Tyurina\nSternberg Astronomical Institute, Alexandr Krylov Observatory, Moscow\n\nAt 4h 30m  after  HETE GRB trigger time (alert 3570)   MASTER robotic\ntelescope (http://observ.pereplet.ru) had imaging  the corresponding area\nof the sky under the large zenit distance and bad weather conditions.\nThe first image was started at 16h53m UT.\n\nWe have 50 unfiltered images of the error box (45s exposition, 40 x 50\narcmin, 200 mm camera).\n\nThere is no optical transient up to 18.4 m at position da Costa et al.\n(GCN2765).\n\n\n\nSum FITS image  are available at\n\nhttp://observ.pereplet.ru/images/GRB041006/\n\nThis message may be cited.\n\nPS. Our wide-field camera (355mm) with AP16e CCD-camera are upgrading. So\nlast 5 circulars  ( GCN >=2659) based on observations on small telescope.",
  "circularId": 2773,
  "createdOn": 1097095420000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "GRB041006: MASTER optical observations",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>",
  "eventId": "GRB 041006"
}