ISS/STS-115 observation

From: Robert Holdsworth (
Date: Mon Sep 18 2006 - 03:08:36 EDT

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    Observed both of the above in a perfect dusk sky  on a shadow entry 
    descending node pass at 0650Z.
    According to Spaceflightnow the STS is stationkeeping 70 miles behind the 
    ISS.  I estimate the ISS was at least  -2 mag and Atlantis around -1 
    I counted around 6 to 7 seconds difference using land-based points on hills 
    below the objects for markers.which was easily done with a maximum elevation 
    of the objects of around 16 degrees.
    New Zealand
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