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    Re: Longitude by Sunset
    From: Alexandre Eremenko
    Date: 2012 May 6, 10:06 -0400

    Marcel,
    
    > In some NavList contributions during February 2010 on "Seeing Moon rising
    > an setting ?" I questioned whether it would generally be possible to see
    > the moon actually setting (or rising). The extinction of the atmosphere
    > close to the horizon was at least during my (few) observations too strong.
    
    You probably mean in daytime... How about night?
    I understand that horizon will be invisible, but the moment of
    disapearance of the Moon at night should be clearly detectable, ?
    
    Alex.
    
    
    
    
    

       
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