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    Re: Longhand Sight Reduction
    From: Greg Rudzinski
    Date: 2014 Jun 10, 08:53 -0700

    Hanno,

    Attached RIC is what I believe to be the shortest possible longhand sight reduction. Very manageable without logs.  No rules. My new favorite.

    R. Daniol (1955)  formula :

    Sin h = n - (n+m)a

    n = Cos(L-d)

    m = Cos(L+d)

    a = haversine LHA

     

    Greg Rudzinski

     

     



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