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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: PCastrolabe software/app
From: Jacquelin Hardy
Date: 2026 Aug 19, 08:58 -0700
From: Jacquelin Hardy
Date: 2026 Aug 19, 08:58 -0700
Andy Howse,
my answer would be different, but with the same result :
It was held vertically to have an horizon perfectly horizontal (90 from the vertical).
They could then measure ALTITUDES of celestial objects above the horizon.
It was their artificial horizon, without liquid !
Regards
JH
