NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Beginner with inaccurate results
From: Geoffrey Kolbe
Date: 2005 Aug 30, 18:04 +0100
From: Geoffrey Kolbe
Date: 2005 Aug 30, 18:04 +0100
Hello Asbj?rn One small glitch in your calculation. You added the d-correction for the declination when you should have subtracted. The sun is headed South now. That will get you close to the right number. (See my other email). Geoffrey Kolbe > date: 29/8-2005 > GMT: 13-52-23 > body: sun, lower limb > GPS long: E10� 24.7 > GPS lat: N63� 25.4 > > Sextant heigth: 57� 58.4' > index error: 0' > halve height: 28� 59.2' > correction: 14.4' > observed height: 29� 13.6' > > GHA hour: 14� 47.3' > GHA inc: 13� 5.8' > GHA 27� 53.1' > LHA: 38� 17.8' > > Decl. hour: N9� 12.4' > d-correction: 0.8' > Decl: N9� 13.2' > > Calculated height: 29� 20.0' > Height difference: 6.4' > > > >Asbj�rn