Clay Center Observatory - About the facility, tour, news and events, image archive, and links.
Climenhaga Observatory - Information on automated system, statistics, research interests, and discoveries.
Dutch Open Telescope - Innovative solar instrument with information on news, equipment, publications, documents, facts, movies, and images.
European Southern Observatory - News, facilities and operations, projects, activities, general information, outreach activities, and information technology.
Faulkes Telescope - Education and science, information, training, news, and support.
Grove Creek Observatory - Tour information, astrophotographs, equipment information, images, moon chart, charged coupled device (CCD) imaging tips, and links.
Hard Labor Creek Observatory - Information on 16 inch Boller and Chivens, 16 inch Meade, and a MTT (a one-meter or 40 inch effective aperture) instruments with links..
Harvard College Observatory - Photographic plate collection, model shop information and images, information on 9 inch Clark and the Great Refractor, and public open nights.
Lick Observatory - Facility schedule, calendar, resources, equipment and instrument information, available filters, printable log sheets, and bulletins.
The Roseland Observatory - News, articles, events, classified, gallery, and observations and logs.
SFASU Observatory - General information, public viewing sessions information, free star charts, images, courses, and facility, equipment and instrumentation information.
SkyView - 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 - General information, FAQ, tour information, history, equipment information, inexpensive digital astro imaging, and instructions on constructing an 8 inch Dobsonian.
The UC Irvine Observatory - Facility information, images, public access, education and outreach, directions, and technical information on equipment and instrumentation.
University of Hawaii 2.2-meter Telescope - Facility located near the summit of Mauna Kea, and includes observing time request information and equipment manuals.