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    Re: Calibrating a sextant scale
    From: Ken Muldrew
    Date: 2007 Nov 21, 10:49 -0700

    On 21 Nov 2007 at 12:38, Fred Hebard wrote:
    > I agree.  That's what I was trying to say. I should have said, "The
    > problem is MEASURING a precise star-to-star difference."  My only
    > quibble is that you might rephrase your conclusion to, "I could not
    > get it to work."  Maybe a more skilled observer than you or I might
    > be able to get it to work.
    If the object is to measure error on the sextant arc then I would argue
    that the best approach is to remove as much reliance on "skill" as
    possible. For example, it would be crazy not to use a motorized equitorial
    mount rather than holding the sextant by hand.
    Ken Muldrew.
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