Re: Non-visual observation of GEO satellite

From: Tony Beresford (
Date: Fri Feb 21 2003 - 23:08:55 EST

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    At 13:07 22/02/03, you wrote:
    >An idea just came to me that I hope someone can elaborate about. That is,
    >light pollution is a worsening problem to say the least but what about
    >"satellite track pollution?" 
    Astronomers using wide field telescopes ( like the UK schimdt at Siding
    Spring mountain ) ,have been complianing for 20 years Tom. There is a particularly
    bad example published many years ago in Sky & Telescope that shows 
    5 trails on one plate. It is somewhat lessened by the fact that observing
    only starts at astronomical twilight. If you look at the output of iridflar
    you will see not too many flares occur at high elevations when the sun is
    more than 18 degrees below horizon.
    Tony Beresford
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