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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Star-to-star distance for sextant calibration?
From: Tony Oz
Date: 2019 May 21, 10:30 -0700
From: Tony Oz
Date: 2019 May 21, 10:30 -0700
Dear Alex,
Thank you for the insight.
I'm sure, pp.290-291 (Annex#2) tables are exactly for clearing the distances for refraction. The only input argument missing (to be full-blown refraction correction) is the air temp&pressure. It's a pity I still cannot get the columns' (φ+D) and (φ-D) meaning...
I'll dig for your posts from 2005-2007 to get the broader picture of the problem.
Warm regards,
Tony
60°N 30°E
