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    Celestial Navigation without a sextant.
    From: David Smith
    Date: 2008 Mar 7, 10:41 -0800

    Supposing one was in a small boat with an accurate timepiece and the
    necessary tables, how accurate could you determine your longitude by
    observing the rising or setting of the sun or any other celestial
    body?  Also, assuming you had a compass and were north or south of the
    tropics, would it be possible to estimate your latitude by taking a
    bearing of the setting or rising of a celestial body?
    
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