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    Re: Longitude by Sunset
    From: Alexandre Eremenko
    Date: 2012 May 6, 20:32 -0400

    Marcel,
    
    > No, these observations were not related with clouds, at least not where the
    > moon was. I say this because I observed it with great attention. The moon
    > was first clearly visible. A cloud would have suddenly or unevenly changed
    > its brightness. This was not the case. It just got slowly fainter and
    > fainter.
    
    How do you explain this?
    People say that even Venus rise/set can be observed!
    
    I also do not understand at all how parallax can be responsible.
    
    Alex.
    
    
    
    
    

       
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