Clear Sky Institute Inc.

Welcome to Clear Sky Institute, Inc.

Serious Astronomical Software

XEphem
Full-featured astronomy application for all UNIX-like systems including Linux and MacOS X.
Personal Sky Chart
Hold the universe to Mag 15 in your hand with your Sharp Zaurus PDA.
New Version 1.3 controls your LX200

For more information, contact us at info@ClearSkyInstitute.com

Launch the HP-35 by Neil Fraser