A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Robert VanderPol II
Date: 2021 Dec 23, 22:18 -0800
Another idea I had was to include the circle for the sun on the star chart with the dates 4 or 6 times per month along the circle so you could quickly precompute solar altitudes and azimuths.
I've been thinking about doing this using a regular star finder as a basis.