celestial longitude

Pronunciation:			su'leschul 'lânji`tood
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	Definition:		[n]  (astronomy) the angular distance eastward along the celestial equator from the vernal equinox to the intersection of the hour circle that passes through the body; expressed in hours and minutes and second; used with declination to specify positions on the celestial sphere; "one hour of right ascension equals fifteen degrees"
	Synonyms:		RA, right ascension
	See Also:		angular distance