Lacrosse 5 "disappearance trick" captured

From: Marco Langbroek (
Date: Wed Jul 26 2006 - 20:19:35 EDT

  • Next message: Marco Langbroek: "Obs ML (4353), 26 Jull 2006: Lacrosse 5"

    Lacrosse 5 is still doing its odd rapid "disappearance trick"...
    An hour ago, I captured it in the act of doing so with my camera, while it was 
    almost overhead for me. See image here:
    This is a 10.7 second exposure, and movement is upwards. Lyra is well 
    recognizable. Some 6 seconds after the start of the exposure, the sat 
    disappears. The end of the trail at the end of the exposure should be between 13 
    & 16 Lyrae (the two stars "above" the trail): but it disappears much earlier.
    Note that it wasn't near shadow entry at all.
    The sat was perfectly on-time and on-track by the way (position will follow). At 
    the start of the exposure it was mag +1.5
    - Marco
    Dr Marco Langbroek  -  SatTrackCam Leiden, Cospar 4353
    Leiden, the Netherlands. 52.15412 N,  4.49081 E (WGS84), +0 m ASL
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