Lick Observatory
- http://mthamilton.ucolick.org/
- Facility schedule, calendar, resources, equipment and instrument information, available filters, printable log sheets, and bulletins.
SkyView
- http://skyview.gsfc.nasa.gov/
- The Internet Virtual Telescope generating images of any part of the sky at wavelengths in all regimes from Radio to Gamma-Ray.
U. S. Naval Observatory
- http://www.usno.navy.mil/
- General information, FAQ, tour information, history, equipment information, inexpensive digital astro imaging, and instructions on constructing an 8 inch Dobsonian.