A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Tony Oz
Date: 2021 Feb 10, 02:06 -0800
I think the ecliptics line will not be a true circular one on this projection (because the scale along the radius - the Polar Distance - is linear). So the only other cheap way to add the ecliptics - is to do as Gary has suggested.