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    Re: Star-sight discrepancy
    From: Bill B
    Date: 2005 Aug 25, 18:02 -0500

    > Yes.  A principle means of establishing latitude on land, where a plumb
    > bob or spirit level can be used to establish one's "horizon."  At sea,
    > with only a short time at twilight when both the real horizon and stars
    > are visible, tough to find a star undergoing meridian passage (and
    > wasting time better spent obtaining a 3-point or 4-point fix).
    
    > I believe by timing the actual moment of meridian passage,
    > longitude also can be determined, but I'm getting far out of my depth
    > here.
    
    Fred
    
    I think you are in your depth and spot on.  I recall toying with the idea,
    and looking for bright stars that would be making their meridian passage
    during prime viewing time to discover--as you pointed out--the opportunities
    are few and far between.
    
    Bill
    
    
    

       
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