A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Greg Rudzinski
Date: 2015 May 18, 10:45 -0700
Here is an example showing the Doniol sight reduction formula done in haversine vs. versine. Saving a division and shortening the multiplication step saves work when using haversines. Other sight reduction methods may also benefit. Haversine tables also seem to be more available.