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    Re: Reusability of Polaris Tables
    From: Frank Reed
    Date: 2015 Sep 7, 20:18 -0700

    If you need the coordinates of Polaris, or any other celestial body, for some day in 1998, of course, you can just visit the USNO celestial navigation data page or any of various other online data sources (like my nautical almanac data page here). It's all right at your fingertips, and there's no need to go digging out old tables or dusty paper volumes from twenty years ago. Naturally, this doesn't apply if you're trying to work old textbook problems, in which case you often need the exact numbers from ancillary tables often peculiar to the unique standards of some specialized celestial navigation method.

    Frank Reed
    ReedNavigation.com
    Conanicut Island USA

       
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