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    Re: Rocky Mountain Lunar Distance
    From: Bill Noyce
    Date: 2002 Dec 18, 11:16 -0500

    George Huxtable says:
    
    > And
    > just making an ordinary linear interpolation for times within this 12-hour
    > interval gives rise to a worst-case interpolation error of around 4
    > arc-minutes in the Moon's declination. That is sufficiently accurate that a
    > calculated altitude based on that dec. will not affect the accuracy of
    > clearing the lunar distance.
    
    But hadn't you better use a better declination when actually figuring
    the "computed distance" to which you then compare your cleared distance?
    Not a problem for navigators in Maskelyne's day, when these computed
    distances were tabulated at 3-hour intervals...
    
            -- Bill
    
    
    

       
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