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    Re: Can anyone tell me why my sextant has two sunshades?
    From: Bill B
    Date: 2006 Mar 14, 02:11 -0500

    Frank wrote:
    > By the way, the  other people who replied on this are certainly not wrong,
    > but until you've seen  an ultra-dark shade, like on that MAC sextant, it's
    > hard to imagine.
    I find it easy to imagine.  My Astra III B (circa 2005) has a pair of shades
    (index and horizon) that transmit so little I cannot make out the sun in
    June at 40N.  I can only surmise that if the sun has a declination similar
    to my latitude in January, it will be of more use than some other shade
    combination.  I hope Ken will reduce my large sphere of ignorance on that
    You think "Sun goes supernova," and I think "Thermonuclear event."  In
    either case, what is the purpose of knowing where you were within 2 miles
    when you bent over and kissed your a_s goodbye?

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