NavList:

Duh. Refraction only raise the object toward the zenith, and therefore
should should not affect the azimuth. Yes no?
>
> When reducing a sight one would traditionally compute the Hc, then the
> azimuth from the Hc (although the azimuth can be computed directly
> without the Hc).
>
> This is fine for plotting an LOP, but it raised a concern for me. Is the
> azimuth I obtain for the celestial object tied to its Hc, rather than
> its observed position with refraction?
>
> Perhaps the accuracy of a shadow sun compass (as opposed to a William
> Burt solar compass )on a light to medium displacement sail craft is such
> that it is a moot point?
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