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Re: Sextant Positions versus Map Datums?

Subject: Re: Sextant Positions versus Map Datums?
From: Trevor Kenchington (Gadus@XXX.XXX)
Date: Thu Jan 17 2002 - 17:55:47 EST

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@XXX.XXX
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