[erick (Eric)]

Right Ascension and defn of zero hour:-

http://en.wikipedia.org/wiki/Right_ascension

Why do you expect Polaris to be on the zero hour line? :-

http://seds.org/~spider/spider/Misc/alphaUMi.html

A bit more on the "Precession of the Equinoxes":-

http://www.astro.uiuc.edu/~kaler/celsph.html#equ


Here is the path of the NCP over 25,700 years:-

http://en.wikipedia.org/wiki/Imagerecession_N.gif