A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Doug MacPherson
Date: 2016 May 28, 10:56 -0700
Thanks! If the navigator of the Charles W. Morgan was using a similar table, that would explain things nicely. However, on page 5 of the workbook, he uses a correction of 11' for an Ha of 27°31'. On he very next page, he uses a correction of 12' for an Ha of 26°06'. The only consistent thing he seems to have done was to use an 11' correction on every sight up until page 6. From then on he uses a 12' correction, regardless of the apparent altitude. Curious.
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