A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: David Fleming
Date: 2021 Jul 20, 15:04 -0700
You would never know your latitude with enough precission to make the given formula blow up, i.e. if you put a measured latitude into the formula and evaluate with 15 digits available to a spreadsheet the formula will spit out a correct azimuth.