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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Estimating horizon from a photo on a clear night
From: Frank Reed
Date: 2024 Dec 14, 09:59 -0800
From: Frank Reed
Date: 2024 Dec 14, 09:59 -0800
Do it by refraction. Refraction is dramatically non-linear near the horizon, so if you can see enough stars in your photos, you can certainly locate the horizon even when it is lost in darkness or haze or otherwise not directly visible.
Frank Reed
