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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Eclipse Island's 1766 Eclipse Observation
From: Peter Blaskett
Date: 2024 Apr 15, 00:14 -0700
From: Peter Blaskett
Date: 2024 Apr 15, 00:14 -0700
Jim Wyse.
Further to the calculation method probably used by Witchell
See
The Theory and Practice of Finding the Longitude at Sea Or Landby Mackay. This is available on line.
https://www.google.com.au/books/edition/The_Theory_and_Practice_of_Finding_the_L/LCAUAAAAQAAJ?hl=en&gbpv=1&dq=mackay+longitude&printsec=frontcover
In chapter 3, page 167, the article on "Finding longitude by an eclipse of the Sun"
Mind boggling but workable, and I think this is how Witchell would have used Cook's data.
Best of luck wading through all this.
