A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Sextant sights over frozen lake
From: Greg Rudzinski
Date: 2019 Nov 23, 15:36 -0800
Something to try would be to puddle the ice (salt ? ) then shield from the wind to form a makeshift artificial horizon. This will knock out refraction and dip issues.
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