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Re: Sextant Positions versus Map Datums?
From: Trevor Kenchington
Date: 2002 Jan 17, 3:56 PM
From: Trevor Kenchington
Date: 2002 Jan 17, 3:56 PM
Hal Mueller wrote:
> Sextant positions are referenced to the surface of this ellipsoid,
> not to a sphere.
Thank you for that!
But was I also wrong in suggesting that common sight-reduction
procedures assume a spherical Earth? Or are we doing spherical trig with
celestial positions calculated for an ellipsoid?
Trevor Kenchington
--
Trevor J. Kenchington PhD Gadus@iStar.ca
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