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    Re: Nautical Almanacs
    From: Frank Reed
    Date: 2010 Nov 24, 21:01 -0800

    Well, that makes two of us.

    I am missing the following:
    1808, 1810, 1812, 1814, 1817, 1823, 1825, 1833, 1834, 1838, 1849, 1842-44, 1846, 1848-49. If you manage to find them, please forward the links to me (if you're keeping track of those). I've been assembling a table of the typical error (s.d.) of the published lunar distances compared to their known values from modern ephemerides. What I have is mostly sufficient for that but I'm particularly interested in the changes through 1820.

    And you wrote:
    "When working with old texts or logbooks, I now have the relevant Almanac immediately at hand - it works for me."

    For the early period, you would be better off using modern ephemeris data if your purpose it to assess the accuracy of the observations.

    -FER
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