A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Tony Oz
Date: 2018 Oct 3, 10:30 -0700
On 2018 May 6, 10:59 -0700 you gave the following formula:
cos(HA) = sin(Alt)/cos(Dec)/cos(Lat) - tan(Dec)/tan(Lat)
There are several typos, I guess. It should look like:
cos(HA) = sin(Alt)/[cos(Dec)·cos(Lat)] - tan(Dec)·tan(Lat)
Am I wrong?