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    Re: A fluke of 0.0 intercept with Altair.
    From: Peter Hakel
    Date: 2010 Sep 21, 11:06 -0700
    I am getting the same results (see attached screenshots).


    Peter Hakel



    From: Antoine Couette <antoine.m.couette@club-internet.fr>
    To: NavList@fer3.com
    Sent: Tue, September 21, 2010 5:13:27 AM
    Subject: [NavList] Re: A fluke of 0.0 intercept with Altair.

    Dear Paul,

    Congratulations !

    With your data, I am also computing a 0.0 NM intercept for a true azimut of 27.1 °.

    Best Regards


    Kermit


    Note : 1 - Most generally, ALL the On Line CelNav Software available on the Internet will perform very accurate Apparent positions for the Stars (certainly well under 0'1), which is again verified with the "Navigation" Software you are using. Accurate Star apparent ccordinates are fairly straightforward and easy to compute with an accuracy of 1" for example.

    2 - Have you tried the On Line Celnav Software such as US Naval Observatory ?

    It is here : http://www.usno.navy.mil/USNO/astronomical-applications/data-services/cel-nav-data .

    Obviously, all Governement Agencies (USNO, and others) compute very accurate CelNav Bodies apparent positions for any time / date in the full range of their validity dates.

    *************************************************************************
    Ref : [NavList 13936] A fluke of 0.0 intercept with Altair.
    From: pw.jackson---co.nz
    Date: 21 Sep 2010 04:02


    Can some one cross check my shot of Altair.
    Basic Data:Known position= 36.485 south
    174.481 east
    Height of eye 6'4"
    GMT: 21/09/2010 06:49:36
    Hs: 40.262
    No index error or watch error.
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