Information on the equipment and center, general and professional astronomy, and observing, including images and icons.

General information, how to use, educational material, news, forum, the team, and links.

Information and services, research, publications, seminars, highlights, and links.

News, observing information, activities and results, images, and outreach.

The German-Spanish Astronomical Center at Calar Alto, Spain includes location, visitor information, equipment description, newsletter, and news operated by the Max Planck Institute for Astronomy.

News, proposal information, schedules, observing information, equipment and instrument information, and recently completed programs.

1.8 meter and 1.2 meter instruments with information on public outreach, facilities, and observing.

2.12 meter, 16 inch and 8 inch instrumentation, and includes facility, equipment and camera information.

Observing facilities and operations, projects and developments, activities, and general information.

Public information and outreach, observing information, schedules, instrument information, archives, and library.

General and public information, equipment and instrument information, observing information, news, and resources.

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.

Facility information, information bulletin on variable stars, publications, activities, databases, and links.

User information, astroclimatology, equipment and instrumentation, observing and operations, and links.

General information, research, events, facility information, education, news, and links.

Research, technology, observing facilities, news, and gallery.

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.

General information, equipment and instruments, observer information, resources, and education and outreach.

Facility and equipment information, publications, database, and image galleries.

A Very Large Telescope will consist of four 8-meter telescopes which can work independently or in combined mode, and includes information on observing, the site, and the project.

Equipment, instruments and detectors, schedule, publications, and data bank.

General information, news, research information, observing and facilities information, education, images, calendars, and links.

General information, equipment and instrument description, facilities, observing, schedules, and publications and documents.

Operation of 1.8 meter for wide-field imaging, queue observing, and standardized data processing, and includes overview, facility information, and team.

Information on the equipment and center, general and professional astronomy, and observing, including images and icons.

Equipment, instrumentation and software information, documentation, observation management, archive, publications, seminars, public outreach, image gallery, and links.