A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Gary LaPook
Date: 2017 Nov 23, 23:31 -0800
And, remember, these tables were intended to by used in jet aircraft, flying above all the clouds and so would not have trouble in observing only the limited selection of stars in each latitude and LHA Aries grouping, Hense the title. "Sight Reduction Tables For Air Navigation."