ACP - Astronomer's Control Panel is a great observatory program written by Bob Denny.
CCDAutoPilot - Another great observatory control program written by John Smith.
Other CCD Imagers
Colorado Springs Astronomical Society (CSAS) Great small club with great folks here in Colorado Springs, CO. Home of the Rocky Mountain Star Stare (RMSS).
Minnesota Astronomical Socity (MAS) Great larger club located in Minneapolis/St. Paul, MN.
Heavens Above Real-time satellite, ISS, and Space Shuttle orbital pass information, maps, and star charts.
Night Sky Info Weekly news about the night sky and articles on selected astronomical topics.
A Kid's Guide to Astronomy Recommended by Ashley in Ms. Ward's class.