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    Re: Celestial Navigation Data
    From: Lu Abel
    Date: 2007 Aug 21, 16:32 -0700

    One should actually go to http://aa.usno.navy.mil/data/docs/celnavtable.html
    This is the place that allows one to enter date, time, and DR L/Lo.
    The result is then Hc and Zn for every visible navigational body.
    I check sight folders for US Power Squadron celestial students, this is
    the ultimate first-pass tool for checking them!
    Lu Abel
    halboth wrote:
    > To all,
    > I cannot believe that the here referenced web site has not been posted
    > on this List previously, however, having just found it myself it is
    > difficult not to post it for the benefit of others who might just be as
    > ignorant as I am/was.
    > If you are looking for Nautical Almanac information, including altitude
    > corrections, as well as computed altitude and azimuth of all or most
    > navigational planets and stars, for any GMT time and date, past, present
    > and future, go to ...
    > http://aa.usno.navy.mil/cgi-bin/aa_flamenav.pl
    > and click on Celestial Navigation Data or anything else that strikes
    > your fancy.
    > If you want this on disk and in hard copy, you can buy it all for around
    > $30.00. I was quite frankly amazed.
    > Regards,
    > Henry
    > >
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