Technical Support
Technical support is available via phone or email during normal business hours
(8-5 Pacific time).
Customer Downloads
- User manuals, documentation, programs, and source code are available in the
Customer Download Area. (Contact us if you need a login.)
Available Updates
Known Issues
- Please note that positional algorithms become more and more inaccurate the farther from the present you are.
Dates in the range of -8,000 to +12,000 are usually fairly accurate. Beyond this range, precession is reasonably
accurate, although planets (including the Earth) can diverge widely from reality.