Astro*Dictionary
by Michael Erlewine
2 articles for
"Sigma Point"
The point of intersection between the observer's celestial meridian and the celestial equator.
See also: ♦ Celestial Meridian ♦ Celestial Equator
Sigma Point [Munkasey M.]
The point of intersection formed between the observer's Celestial Meridian and the Celestial Equator.
See also: ♦ Celestial Meridian ♦ Celestial Equator
Astro*Index Copyright © 1997 Michael Erlewine
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