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And those 14�C amount to 2/10 mile of difference in position from a sight 
reduction here, from the sample numbers I just ran at Ho 11�30' and 0�C /vs/ 
14�C but a difference of 4/10th mile when Ho is down to 5�30'.

So the temperature difference alone can be .2-.4 mile if not factored 
correctly under winter conditions at 43N on a late afternoon.

But not to digress...the basic question was and still is, what kind of 
position accuracy is anyone else getting with winter sextant sights at 
lattitudes above 40� ?

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