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    Re: Sight reduction methods
    From: Robert VanderPol II
    Date: 2015 Nov 3, 18:45 -0800

    Re: Sight reduction methods
    From: Stan K
    Date: 2015 Nov 3, 16:55 -0500

    Dale,
    There are dozens - just check out an old Bowditch.  However, not all are considered "mainstream".  In addition to the ones you listed, some other popular ones are (or were) HO208, HO214, Weems Line of Position Book, and, maybe, the S-Table (which was published in the Nautical Almanac for a few years in the '90s).
    Stan
    Unless there was a short period the S-tables were included in the NA, it was Davies' "Concise Tables for Sight Reduction" that are in the NA and are now known as NASR.  The following link includes a PDF of the tables, instructions, workforms and history partially from StarPath and partially from the NA:
    https://www.starpath.com/celnavbook/NAO_tables.pdf
       
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