A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Sean C
Date: 2015 Dec 3, 17:13 -0800
I wanted to compare the moons augmentation correction from the table to my quick calculator avg. approximation..... .26 Sin Hc
Just curious...is that formula of your own design? Only reason I ask is because it is very similar to the "0.3·sin(H)" recommended by Frank on his "easy lunars" page.