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    Re: Accuracy of sextant observations at sea
    From: Jeremy C
    Date: 2010 Nov 9, 09:29 EST
    Hi Gary,
    My memory is a bit fuzzy on this topic.  I think you are asking my standard deviation for my intercepts on my last big voyage in 2009?  If so, I thought I had posted it.  Perhaps I forgot.
    Here's what I have
    Standard deviation in minutes of arc for various bodies from which I obtained LOP's  Some have a lot more data points than others.  I also grouped all of the stars together as I was not motivated enough to list all of the ones I shot.  I shot stars the most, followed by the Moon, Venus, Jupiter, Sun, Mars and Saturn.
    Sun: 0.50
    Moon: 0.65
    Stars: 0.84
    Venus: 0.70
    Mars: 0.45
    Jupiter: .68
    Saturn: 0.4
    All sights: 0.80 over 552 individual observations.
    If this isn't what you are looking for, let me know. 
    I am back on the ship now, so hopefully when we leave the anchorage, I can get some more sights.
    In a message dated 11/9/2010 2:30:00 P.M. Central Asia Standard Time, glapook@pacbell.net writes:

    Jeremy, have you gotten around to analyzing the intercepts?

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