A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Date: 2016 Dec 21, 04:55 -0800
You have used the sun altitude correction table.
With AH-sights you have to use the star and planet altitude correction table instead.
Which means that the observed altitudes are smaller and the intercepts bigger than in your calculations.
Paul Werner, Lat. 59 N
Yes the day is short now.