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    Topocentric GHA
    From: Dave Walden
    Date: 2008 Oct 18, 16:34 -0700

    I connection with a discussion in another group, can anyone provide
    references to authoritative definitions (i.e. written, published, not
    yours or mine) of topocentric GHA (assuming such an animal exists).
    In particular the treatment of lunar parallax.
    
    Thanks.
    
    
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