Chris McMahan wrote:
For the Palm platform, I would HIGHLY recommend Planetarium. It sells
for $24, with a fully-functional nagware version available to try.

http://www.aho.ch/pilotplanets/

I like Planetarium, too, but it does not run on the Pocket PC platform,
which is the type of device the original poster has.

Brian Tung
The Astronomy Corner at http://astro.isi.edu/
Unofficial C5+ Home Page at http://astro.isi.edu/c5plus/
The PleiadAtlas Home Page at http://astro.isi.edu/pleiadatlas/
My Own Personal FAQ (SAA) at http://astro.isi.edu/reference/faq.txt