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    Re: Off Center Sextant Scope Observations
    From: Robert Eno
    Date: 2007 Nov 24, 17:25 -0500

    Fred wrote:
    >
    > As I recall when determining index error using the sun, the point of
    > contact varies with up and down location in the telescope.
    >
    > Fred
    >
    Robert comments:
    
    This has been my experience too.
    
    
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