NavList:
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, 20:58 EST
From: Frank Reed CT
Date: 2005 Feb 13, 20:58 EST
Jared you wrote:
"Centering on the
target is something else again, group sizes are measured across the
group--not to the center of the target. The group is often not in the center
of the target, that's something esle again."
target is something else again, group sizes are measured across the
group--not to the center of the target. The group is often not in the center
of the target, that's something esle again."
So the tightness of the group is one measure of success and closeness to
the target center is another? Is that what you're saying? And when you spoke of
that half-minute of arc accuracy was that for clustering only or for closeness
to the center?
-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
