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    Re: Visibility at rising and setting
    From: Geoffrey Kolbe
    Date: 2000 Apr 26, 12:21 AM

    As some on this list have pointed out, observation of celestial bodies
    setting, and particularly rising, are plagued with problems.
    
    However, I read somewhere of a yachtsman on a long voyage (may have been
    round-the-world) who observed stars at their zenith. He managed well enough
    to get safely around the Horn!
    
    Others on the list may be able to make more informed comment on this as a
    "no instruments" method of celestial navigation.
    
    Yours aye,
    
    Geoffrey Kolbe.
    
    
    Dr Geoffrey Kolbe, Border Barrels Ltd., Newcastleton, TD9 0SN, Scotland
    Tel: +44 (0)13873 76253  Fax: +44 (0)13873 76214
    
                              www.border-barrels.com
    

       
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