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    Bubble Sextants and Celestial Calculators
    From: Bruce Hamilton
    Date: 2008 Sep 07, 02:03 -0700

    I was looking at the Celesticomp V and the Star Pilot and was wondering
    if they deal with readings from bubble sextants. Do you have to treat
    semi-diameters as errors or can you just set the reading for center of
    the body? I have tried pocket stars on the PC and it can't deal with
    bubbles.(A great pity as I like the price). Besides that, it calls
    Alkaid by some other name and that gets me worried.
    I know I should use nothing but my Nories Tables and my slate, but I am
    a weak man and am often tempted by shiny objects and electronic gadgets.
    I have to give people some idea of what to get me for my birthday!
    The ability of the A-12 to superimpose a bubble on the sky is just
    brilliant.  I  don't need a horizon and can shoot the stars all night.
    Speaking of which, has any one ever tried a night vision scope on a
    nautical sextant?
    Bruce Hamilton
    Vancouver, BC.
    Navigation List archive: www.fer3.com/arc
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