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I have decided that there is nothing wrong with my computations and
am satisfied that I can use the data from a program called pyephem
to generate almanac data including the right ascension of fpAries.

Thanks to all that mentioned stellarium which I have used in the past but
didn't investigate it thoroughly.  I have not tried the navigational stars addon
as yet but hope to soon.

As I omitted personal details earlier, my name is Patrick S. and I
live in Oxnard, California.
The nearest harbour is Channel Islands and I have a small open rowboat
with sail rig
for recreation.

My interest in celestial navigation is mostly around almanac data and
ways to generate
details like right ascension, decl  on my computer which is a unix
based linux system.

Currently I am using an addon to python called pyephem which seems to
be quite good.   I have used another program called xephem for awhile and it
has a function something like stellarium as well as a table of almanac data.

The unix community is really coming along.  There is a fine chart viewer called
opencpn and a weather forecasting program called zgrib.


Patrick

   

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