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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Gnomonic North Atlantic
From: Peter Hakel
Date: 2023 Jun 2, 21:28 -0700
From: Peter Hakel
Date: 2023 Jun 2, 21:28 -0700
The recently posted gnomonic charts of North Atlantic Ocean provided me with an excuse to do a fun demo/exercise. I drew a line between Cape Canaveral (28° 28’ N, 80° 32’ W) and Cape St.Vincent (37° 01.5’ N, 9° 00’ W). I then calculated selected points along the great circle that can be easily viewed on the chart:
75° W, 31° N
63° W, 35° N
55° W, 37° N
50° W, 38° N
40° W, 39° N
32° W, 39° 20’ N (great-circle vertex: maximum latitude)
25° W, 39° N
15° W, 38° N
9° W, 37° N (destination)
Peter Hakel
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