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    Useful links
    From: �rjan Sandstr�m
    Date: 2012 Mar 15, 19:14 +0100

    The links below (likely given at regular intervals here on the list but
    as i am new...)
    this is a pair of sites that calculates astronomical data for a given
    position.
    here is the Brittish one.
    http://websurf.hmnao.com/
    
    and here is the US US equivalent
    http://www.usno.navy.mil/USNO/astronomical-applications/data-services/cel-nav-data
    
    
    
    

       
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