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    Re: An exotic lunar distance puzzle
    From: Marcel Tschudin
    Date: 2011 May 3, 22:37 +0300
    Greg, you wrote

    I get the dip as about 18* 42'


    That seems to be the geometrical, unrefracted dip for which I obtain 2' less. Reducing this value further by the refraction for ZD 90 deg results e.g. in 18* 06'. I hope I got it right.

    Marcel
       
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