A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Antoine Couëtte
Date: 2015 May 14, 05:35 -0700
" This Correction is to be performed in a plan [very] close from the Ecliptic. "
More accurately, this correction is to be performed in a plan very close from the one containing the following 3 points : Venus Center, Sun Center and Earth Center (and even more accurately such 3rd point should be "Observer's position" instead of "Earth Center").