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    Re: Position lines, crossing
    From: Peter Fogg
    Date: 2006 Dec 11, 15:55 +1100
    Henry wrote: 
    In my opinion, "cocked hats" are most often the result of altitude errors induced by varying horizon conditions due, in the case of stars, to failing light conditions.
     
    Henry, are you saying that given ideal conditions (as you have described) LOPs can in practice meet, or almost meet, at a common point?

     

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