Osservatorio Astronomico di Collurania
- Facility and equipment information, publications, database, and image galleries.
- http://www.te.astro.it/

Anglo-Australian Observatory
- Information on the equipment and center, general and professional astronomy, and observing, including images and icons.
- http://www.aao.gov.au/

Joint Astronomy Centre
- Provides services and support to enable visiting and staff astronomers to undertake top-quality, front-line international-class research using the James Clerk Maxwell facility and the United Kingdom Infrared facility.
- http://www.jach.hawaii.edu/

United Kingdom Infra-Red Telescope
- Equipment, instrumentation and software information, documentation, observation management, archive, publications, seminars, public outreach, image gallery, and links.
- http://www.jach.hawaii.edu/UKIRT/

South African Astronomical Observatory
- General information, news, research information, observing and facilities information, education, images, calendars, and links.
- http://www.saao.ac.za/

Pico dos Dias Observatory
- Equipment, instruments and detectors, schedule, publications, and data bank.
- http://www.lna.br/Welcom_e.html

Brera Astronomical Observatory
- Information and services, research, publications, seminars, highlights, and links.
- http://www.mi.astro.it/

Nordic Optical Telescope
- General information, equipment and instruments, observer information, resources, and education and outreach.
- http://www.not.iac.es/

The Antarctic Infrared Observatory
- Operation of 1.8 meter for wide-field imaging, queue observing, and standardized data processing, and includes overview, facility information, and team.
- http://www.bu.edu/irafa/airo/

Mount Stromlo and Siding Spring Observatories
- Research, technology, observing facilities, news, and gallery.
- http://www.mso.anu.edu.au/home.php

Leiden Observatory
- General information, research, events, facility information, education, news, and links.
- http://www.strw.leidenuniv.nl/

Konkoly Observatory of the Hungarian Academy of Sciences
- Facility information, information bulletin on variable stars, publications, activities, databases, and links.
- http://www.konkoly.hu/

El Observatorio Astrofísico Guillermo Haro
- 2.12 meter, 16 inch and 8 inch instrumentation, and includes facility, equipment and camera information.
- http://www.inaoep.mx/~astrofi/cananea/#english

La Silla Observatory
- User information, astroclimatology, equipment and instrumentation, observing and operations, and links.
- http://www.ls.eso.org/index.html

National Astronomical Observatories - Chinese Academy of Sciences
- Information on the meter-wave aperture synthesis radio, multi-channel solar magnetic field, mark-III photoelectric astrolabe, 60/90cm Schmidt, 1.26m infrared, 2.16m optical, 7M solar radio, 85cm reflector, and 60cm reflector telescopes.
- http://www.bao.ac.cn/bao/index-e.html

Cerro Tololo Inter-American Observatory
- News, proposal information, schedules, observing information, equipment and instrument information, and recently completed programs.
- http://www.ctio.noao.edu/

Gemini Observatory
- Public information and outreach, observing information, schedules, instrument information, archives, and library.
- http://www.gemini.edu/

Bradford Robotic Telescope
- General information, how to use, educational material, news, forum, the team, and links.
- http://www.telescope.org/

Telescopio Nazionale Galileo
- General information, equipment and instrument description, facilities, observing, schedules, and publications and documents.
- http://www.tng.iac.es/

Isaac Newton Group of Telescopes
- General and public information, equipment and instrument information, observing information, news, and resources.
- http://www.ing.iac.es/

European Southern Observatory
- Observing facilities and operations, projects and developments, activities, and general information.
- http://www.eso.org/