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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Sextant accuracy (was : Plumb-line horizon vs. geocentric horizon)
From: Frank Reed CT
Date: 2005 Feb 13, 20:55 EST
From: Frank Reed CT
Date: 2005 Feb 13, 20:55 EST
Alex:
"Another similar exercise (and simpler one!) would be
to draw a map of sun spots as seen through your sextant.
I actually have never seen sun spots "alive" before I bought a
sextant:-)"
to draw a map of sun spots as seen through your sextant.
I actually have never seen sun spots "alive" before I bought a
sextant:-)"
Fun, isn't it? That's a good idea, too. It would be a good resolution
experiment since you could compare with near real-time sun images online (or
haul out a bigger telescope).
-FER
42.0N 87.7W, or 41.4N 72.1W.
www.HistoricalAtlas.com/lunars
42.0N 87.7W, or 41.4N 72.1W.
www.HistoricalAtlas.com/lunars
