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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: The Moon and the bubble sextant: how to correct properly?
From: Gary LaPook
Date: 2022 Mar 16, 14:22 -0700
From: Gary LaPook
Date: 2022 Mar 16, 14:22 -0700
Yep, that's your problem. The size of the bubble will vary so you must use the center. When shooting the sun (which is always round) you center the sun it the bubble and use the "bubble correction" table which does not have SD built in. Same with the moon if you can deteermine its center.
gl
