View source for Astronomical Longitude

'''Astronomical Longitude'''

The [[angle]] between the [[plane]] of the [[Reference Meridian|reference meridian]] and the [[plane]] of the 
[[Celestial Meridian|celestial meridian]].  Sometimes called  '' geographic longitude '' .
<BR/> '' Astronomical [[longitude]] corrected for the prime-vertical component of station error divided by the [[cosine]] of the latitude becomes [[Geodetic Longitude|geodetic longitude]]''.

==References==
''This article is based on NASA's [[NASA SP-7|Dictionary of Technical Terms for Aerospace Use]]''
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