A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Greg Rudzinski
Date: 2019 Jun 9, 09:07 -0700
I have noticed no difference in sun observation intercept sets when using the Davis artificial horizon whether using the plex filters, glass, or without sheilding. Intercepts are generally no worse than +/- 0.8' using a metal sextant with x4 optic (no averaging).