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    Re: Captain Cook & celestial navigation
    From: Robin Stuart
    Date: 2020 Feb 2, 10:26 -0800

    John Howard you wrote:

    "...lunar distance "seen" would be different because it still would have paralax and refrection and corner cosine and etc. but the cleared, geocentric distance would be the same?"

    Correct. Clearing lunar distance sights involves computing the geocentric lunar distance from your sights. All observers will agree on the geocentric lunar distance. It would make little sense to do the extra work and convert to topcentric lunar distances for  Greenwich, England as the article implies.

    Robin Stuart

       
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