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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Practice with your artificial horizon and bubble sextant
From: Andrés Ruiz
Date: 2015 Jun 22, 16:26 +0200
From: Andrés Ruiz
Date: 2015 Jun 22, 16:26 +0200
Yes, this is my preferred method to find the index error of a bubble sextant.
As Gary said, the curve Hc/time of Polaris shows this fact, compare it with the Dubhe's.
Android apps:Nautical Almanac & Sextant
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