Any Palm OS hardware
Palm OS 3.5

AstroInfo is a full-featured sky chart / planetarium program for amateur astronomers--or just for people who want to check the sunset time or see where Jupiter is. This version is pre-release.

Features:
* Plot planets, the sun, the moon, stars (over 860,000 stars included, with 99% complete coverage up to magnitude 11), deep sky objects (includes Messier, NGC, IC, Bennett, Caldwell, Collinder and sci.astro.amateur catalogs) and constellations.
* Zoom in and out, and move around.
* Real-time or accelerated display for the present time, or a past or future time.
* Rise, set and transit times for sun, moon, planets, stars and deep sky objects.
* Lunar phase.
* Red on black night mode.
* Measure angular distance between objects.
* Draw Telrad / eyepiece field-of-view circles.
* RA/Dec/Alt/Az data for all objects.
* Customize colors (e.g., draw stars in white and Messier objects in red).
* Web lookup of deep sky objects (on devices with Blazer mobile browser).
* ARM optimized for newer devices.
* Support Hi-Res+ Palm devices.