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    Retrograde motion of the planets
    From: Steve E. Bryant
    Date: 2017 Mar 2, 20:47 -0800

    Dear NavList,

    According to news sources, Venus is entering retrograde motion today, March 2, 2017.  Apparently, whether the “v correction” is negative or not is not one of the ways to realize that Venus is entering retrograde motion.   

    How can one tell, by using the Nautical Almanac, whether a planet is in retrograde motion or not?

    Steve Bryant

    Oklahoma City Boat Club

       
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