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    Re: Equation for dip?
    From: Luis T
    Date: 2006 Sep 26, 07:11 -0000

    
    Peter Fogg wrote:
    > On 9/26/06, Andres Ruiz  wrote:
    > >
    > > Dip an other equations for calculated the corrections for sextant
    > > altitude an obtain the observed altitude:
    > > http://www.geocities.com/andresruizgonzalez/celestial/Ho.html
    >
    > Where is found:
    > "D = 0.0293 * SQRT( h )
    > where h is the height of the eye above the horizon in meters."
    >
    > So if the height of eye is, say, 3.5 metres;
    > 0.0293 * 1.8708 = 0.0548
    >
    > Is there something I'm missing here? Surely the correct answer is 3.3
    > minutes of arc?
    
    Yes, the result is in degrees, so
    
    0.0548� = 0.0548 * 60 = 3.288 minutes of arc.
    
    Best wishes,
    LUis
    
    
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