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    Star Finder 2102-D
    From: Bill B
    Date: 2008 Oct 08, 15:30 -0500

    Regarding the red overlay used for plotting the moon or planets, or
    determining the RA/SHA and declination of a star not on the base.  It also
    has what appear to be east and west longitudes scales.  What is the use(s)
    of this scale?
    
    Thanks
    
    Bill B.
    
    
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