NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Index Error
From: Marc Bernstein
Date: 2004 May 5, 08:47 -0400
From: Marc Bernstein
Date: 2004 May 5, 08:47 -0400
According to the 2004 nautical almanac the
semi-diameter of the sun varies between 16.3' at perihelion to 15.8' at
aphelion. Or the diameter varies between 31.6' and 32.6', for a difference of
1.0' or 2 X 0.5'
Could this be the source of the
error?