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    Re: Two Mercury Lunars
    From: Andrés Ruiz
    Date: 2025 Dec 19, 12:36 +0100
    Hello Antoine.
    I only have time for the first one.
    See you.

    Lunar sight:
    15/12/2025
    06:30:00 UT1
    LDs = 32.55 =  32º 33.0'
    Moon limb = Near
    Mercury limb = Center
    IC = 0

    Altitude sight:
    6:30:00
    Assumed Position
    46º 30.0' N
    002º 30.0' W
    Moon
    Hs = 21º 57.00' = 21.9500 º
    Limb = lower
    Ref = Sea Horizon
    heye = 4.8768 m
    IC = 0 '
    P = 1008 hPa
    T = 8 ºC

    Altitude sight:
    6:30:00
    Assumed Position
    46º 30.0' N
    002º 30.0' W
    Mercury
    Hs = 03º 13.00' = 3.2167 º
    Limb = center
    Ref = Sea Horizon
    heye = 4.8768 m
    IC = 0 '
    P = 1008 hPa
    T = 8 ºC


    Lunar Distance differential solution
    Time by Lunar Distance – observed altitudes
    nIter t LDo LDc X[0] Error
    0 6.5
    1 6.532727439816371 33.362964469564574 33.377024529472585 0.03272743981637115 1.8751441757464746
    2 6.532738310550542 33.36295992713067 33.36296459736915 1.0870734171044911E-05 0.0006228471882095195
    3 6.5327383110411255 33.362959925621965 33.36295992583272 4.905838972917383E-10 2.8108386811896088E-08


    Corrected time = 06:31:57.9 s


    LD.pngMercury.pngMoon.pngNA.pngSky.png

    --
    Andrés Ruiz
    Navigational Algorithms
    http://sites.google.com/site/navigationalalgorithms/

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