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Dear Frank,

> You're still not getting very good results,

Actually I thought that the resutls in the last posting are quite
good.
I would be very interested to see the comparison pool against which
you judge them.

Your results, or the results you've seen novices having,
just show me them, I am really very interested.

I only want to say that a "single good shot" proves nothing.
If I were to choose a single "typical" shot of the set I recently
posted,
then using any reasonable criteria (average, median, whatever you
propose) it will be a shot with error less than 0.2.

Can you cite or post ANY data or statistics, of XIX or XX

 and you're content to believe,
> following Kelvin, that angles cannot be measured to better than 0.5 minutes of
> arc accuracy with a sextant. Looking with a 7x or 10x telescope, an angle
> that large is very obvious. With the limiting resolution of the human eye
> (corrected) somewhere around 0.7 to 1.0 minutes of arc, the limiting resolution
> through a ten power telescope is around 0.1 minutes of arc. So we can certainly
> "see" angular shifts smaller than 0.5 minutes of arc. What's your latest
> theory  on the reasons you've been unable to do as well as you would like with
> your  observations?
>
> -FER
> 42.0N  87.7W, or 41.4N  72.1W.www.HistoricalAtlas.com/lunars
>
> ************************************** See what's free athttp://www.aol.com.


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