Bologna Observatory
Part of Astronet, a network connecting the twelve Italian observatories and their detached seats with the national scientific network.
http://www.bo.astro.it/

ESO - La Silla Observatory
The home of the European Southern observatory (ESO) in Chile.
http://www.ls.eso.org/

Kitt Peak National Observatory
KPNO is a division of the National Optical Astronomy Observatories which is operated by the Association of Universities for Research in Astronomy (AURA), Inc. under cooperative agreement with the National Science Foundation.
http://www.noao.edu/kpno/kpno.html

Haute-Provence (OHP)
An observatory in southern France. Site is written mostly in French but does include English-language text for several areas, such as general information about the observatory, tours, and educational opportunities.
http://www.obs-hp.fr/

Apache Point Observatory
APO is privately owned and operated by the Astrophysical Research Consortium (ARC), consisting of the University of Chicago, Institute for Advanced Study, Johns Hopkins University, New Mexico State University, Princeton University, University of Washington, and Washington State University.
http://www.apo.nmsu.edu/

JAC Hilo Home Page
Joint Astronomy Centre
http://www.jach.hawaii.edu/

National Optical Astronomy Observatories
Their home page. They also give tours and let people peek through the little hole.
http://www.noao.edu/noao.html

South African Astronomical Observatory
An introduction to the SAAO, a description of instrumentation and telescopes, an observation schedule, and information on educational opportunities.
http://www.saao.ac.za/

The United States Naval Observatory
The USNO mission is to determine the positions and motions of celestial objects, to provide astronomical data, to measure the Earth's rotation and to maintain the Master Clock for the United States.
http://www.usno.navy.mil/

Beijing Astronomical Observatory
Chinese Academy of Sciences.
http://www.bao.ac.cn/bao/index-e.html

Mount Wilson Observatory
Chinese Academy of Sciences.
http://www.mtwilson.edu/

Observatorio Astronomico Nacional
National Astronomical Observatory of Spain
http://www.oan.es/

Armagh Observatory
The Armagh Observatory is a modern astronomical research institute with a rich heritage. Founded in 1790 by Archbishop Richard Robinson, the Observatory is one of the UK and Ireland's leading scientific research establishments.
http://star.arm.ac.uk/

University of Chicago, Yerkes Observatory
The Armagh Observatory is a modern astronomical research institute with a rich heritage. Founded in 1790 by Archbishop Richard Robinson, the Observatory is one of the UK and Ireland's leading scientific research establishments.
http://astro.uchicago.edu/yerkes/

Copenhagen University Observatory
The astronomical instruments here are: the 0.77 m Schmidt telescope a 0.40 m fotoelectric reflector a 0.25 m fotoelectric reflector.
http://www.astro.ku.dk/

Carnegie Observatories
The observatories operates 1.0-meter and 2.5-meter telescopes at Las Campanas, Chile. Two 6. 5-meter telescopes are being constructed by the Magellan project collaboration. Telescope time, available to the observatories' scientific staff and visiting investigators, is scheduled once a year, with time allocation applications due in mid-october.
http://www.ociw.edu/

SAO RAS Home Page
Russian Acadomy of Sciences. You wouldn't have gotten this a few years ago.
http://www.sao.ru/

Steward Observatory
Home to some of the world's largest, most innovative, and most productive telescopes. The 4.5-meter equivalent aperture multiple mirror telescope broke the mold for large-aperture telescope design, shattering a paradigm that had reigned for many decades.
http://www.as.arizona.edu/steward/

Climenhaga Observatory
An FTP page listing activities and discoveries from the University of Victoria using their automated telescope system.
http://astrowww.phys.uvic.ca/climenhaga/obs/telescope.html

Bucknell Observatory
Information about the Bucknell University Observatory, as well as on course offerings at the college.
http://www.eg.bucknell.edu/physics/astronomy/observatory/

Konkoly Observatory Home Page
In Hungary
http://www.konkoly.hu/

UBC Astronomy Telescope
Telescope astronomy group at UBC.
http://www.astro.ubc.ca/telescope/telescope.html

Zimmerwald Observatory
in Bern, Zurich.
http://www.cx.unibe.ch/aiub/zimmerw.html

Calar Alto Observatory
A German-Spanish Astronomical Centre with telescopes up to 3.5m and an ALFA laser guide star for adaptive optics. Located in Southern Spain.
http://www.caha.es/

Dutch Open Telescope
Innovative solar telescope on La Palma for high-resolution imaging of solar magnetism.
http://dot.astro.uu.nl/

Carter Observatory
In addition to addressing the astronomical needs of visiting school groups and running an outreach program, observatory staff conduct courses, workshops, and seminars in astronomy for teachers, trainee teachers, amateur astronomers, and interested members of the public.
http://www.vuw.ac.nz/~carter/carter.html

Cambridge Optical Aperture Synthesis Telescope
A coherent array of four telescopes operating in the red and near infra-red, using Michelson interferometry on baselines of up to 100m to give images with a resolution down to 1 milliarcsecond.
http://www.mrao.cam.ac.uk/telescopes/coast/

Leiden Observatory
Research focuses on a number of different areas covering astronomical interests which range from the study of stars and the interstellar medium to galaxies and the large-scale structure of the universe.
http://www.strw.leidenuniv.nl/

University of Alabama Astronomy
Their observatories home page.
http://www.astr.ua.edu/

The Guillermo Haro Astrophysical Observatory
A teaching institution in Cananea,Mexico. Their telescope has a primary mirror of 2.12 meters. Apart from the main telescope they have a 16-inch MEADE for extinction measurements and a 8-inch seeing monitor.
http://www.inaoep.mx/~astrofi/cananea/

Harvard College Observatory
Located in Cambridge, Massachusetts. Includes a brief introduction to the observatory.
http://cfa-www.harvard.edu/hco-home.html

Kirkwood Observatory
Indiana University.
http://www.astro.indiana.edu/facilities/observatories/kirkwood/

Howell Observatory
Operated by the University of Mississippi, site includes general information about the observatory, including photos and tour information.
http://www.msstate.edu/Dept/Physics/html/observatory.html

Lowell Observatory
Flagstaff.
http://www.lowell.edu/

Lund Observatory
In Lund, Sweden.
http://www.astro.lu.se/

Mount Laguna Observatory
San Diego State University
http://mintaka.sdsu.edu/

Mount Stromlo and Siding Spring Observatory
Mount Stromlo, Australia
http://msowww.anu.edu.au/

Pi%c3%b1on Flat Observatory
An observatory set up to measure geological variations.
http://ramsden.ucsd.edu/

Pico dos Dias Observatory
Information about the national observatory in Brazil.
http://www.lna.br/Welcom_e.html

Berkeley Automated Imaging Telescopes
Unattended astronomical telescopes with electronic cameras to search for supernovae and monitor the brightness of celestial objects.
http://astro.berkeley.edu/~bait/

Mt.Suhora Observatory
Cracow, Poland
http://www.as.wsp.krakow.pl/

NF/ Observatory Home Page
Western New Mexico University.
http://www.nfo.edu/nfo.html

Osservatorio Astronomico di Brera
Milan, Italy. English and Italian.
http://www.mi.astro.it/

O.A.C.T. Home Page
An observatory in Italy. English version.
http://terri1.te.astro.it/oact-home/home.html

TLS
Observatory in Germany. English text.
http://www.tls-tautenburg.de/

SFA Observatory
Auston State University Observatory.
http://www.physics.sfasu.edu/Observatory/obs.htm

University of Ljubljana, Slovenia,
Astronomical Observatory
http://www.fiz.uni-lj.si/astro/

University of Hawaii
Observatory on Mauna Kea
http://www.ifa.hawaii.edu/88inch/88inch.html

SOFIA Homepage -
The latest in Airborne Astronomy.
http://sofia.arc.nasa.gov/

University of Toronto Southern Observatory
Their Home page.
http://www.astro.utoronto.ca/~utso/

Mount Graham International Observatory
Their Homepage. Near Tucson.
ftp://medusa.as.arizona.edu/pub/graham/graham.html

McDonald Observatory
Western Texas.
http://www.as.utexas.edu/mcdonald/mcdonald.html

Vatican Observatory
Their homepage.
http://clavius.as.arizona.edu/vo/

The Teaching Observatory
U. of Florida.
http://www.astro.ufl.edu/teachobs.html

Nordic Optical Telescope
While not very large, the NOT on La Palma has a brilliant construction and has proved to be a world class telescope.
http://www.not.iac.es/

NOVA
Norwegian Observatory for Variable Astronomy, 350 m above sea level, four 20-40 cm telescopes.
http://www.dse.no/nova.html

Asiago Observatory
The astronomical observatory is one of the two astronomical institutes of Padua. It shares the same buildings with the department of astronomy of the local university. The observatory and the astronomy department host, on two sites at Asiago, the major observing facilities in Italy.
http://www.pd.astro.it/

United Kingdom Infrared Telescope (UKIRT)
A 3.8-metre diameter infra-red spectrum telescope situated at the top of Mauna Kea, Big island, Hawaii.
http://www.jach.hawaii.edu/UKIRT/

Nassau Station
owned by Case Western Reserve University's Department of Astronomy. Including info on the robotic telescope with plans for automaic observations for the general public, available via the web.
http://astrwww.astr.cwru.edu/Nassau/nassau.html

Hipparcos Space Astrometry Mission
Includes news, results, research tools, and educational opportunities.
http://astro.estec.esa.nl/SA-general/Projects/Hipparcos/hipparcos.html

Mount Wilson Virtual Observatory
Includes daytime image taken at Mt. Wilson Observatory.
http://www.astrophys-assist.com/wilobs/

Andre Clayden's Springbrook Observatory
Andre's observatory at Springbrook Queensland is 2000 feet above sea level.Join in on a real time session, chat with the astronomer, check the message board for observation times and see what the telescope sees as images are uploaded.
http://maguires.com/homestead/astro3.htm

Paul Robinson Observatory
Reflector. Located in Hunterdon County, NJ
http://www.njaa.org/

The Hard Labor Creek Observatory
The largest observatory in the southeastern United States, the observatory is operated by the GSU Astronomy Program, in support of basic observational research activities.
http://www.chara.gsu.edu/HLCO/index.html

UCI Observatory
24 inch computer controlled telescope at University of California, Irvine.
http://www.physics.uci.edu/~observat/

Strasbourg Astronomical Observatory
Houses an extensive collection of astronomical databases.
http://astro.u-strasbg.fr/Obs-e.html

Tenagra Observatories
A private concern with lots of images of their discoveries.
http://www.tenagraobservatories.com/

Sloan Digital Sky Survey
A dedicated 2.5 meter telescope which uses sensitive electronic light detectors to systematically map a quarter of the sky, building a catalog of celestial objects, galaxies, and quasars.
http://www.sdss.org/

Interferometry Center of Excellence (ICE)
Chartered to ensure the development and maintenance of a leading edge capability in optical and near-infrared interferometry imaging and astrometric technology. Portal to details about most NASA interferometry project.
http://ice.jpl.nasa.gov/

Instituto de Astronom%c3%ada. Ensenada, B.C.,
Location, staff, and technical details.
http://132.248.3.38/Opciones/text1.html

UT RARC Homepage
Ritter Observatory, University of Toledo.
http://www.physics.utoledo.edu/~wwwphys/ritter/ritter.html

Nanango TIE QUT Observatory
Extends the NASA-sponsored Telescopes In Education program to deliver opportunities for students and other community groups from around the world to remotely control research-quality telescopes and CCD cameras over the internet. Members of the public (with the specific software) can remotely aim a distant telescope, run observational experiments, and download the images to their local computers for further use.
http://www.eese.bee.qut.edu.au/tie/

Anglo-Australian Observatory
A 3.9m telescope in NW New South Wales, Australia. The web site includes all of David Malin's famous astrophotographs as well as general information about the observatory.
http://www.aao.gov.au/

Lake Afton Public Observatory
Witchita, Kansas. Images too.
http://webs.wichita.edu/lapo/

Ostrava Observatory
CCD photometry and visual observation at the Observatory and Planetarium of the Technical University in Ostrava.
http://ostrava.astronomy.cz/int.php

ASCA Information
The advanced satellite for cosmology and astrophysics. An orbital observatory.
http://heasarc.gsfc.nasa.gov/docs/asca/asca.html

Juan Rivera's Web
Streaming video of the Kuiper Airborne Observatory in flight as well as many pictures.
http://www.juanr.com/

Lick Observatory at Mount Hamilton (A University of California Observatory)
Technical information for observers and general information for the public: manuals, observing aids, calendars, schedules, pictures, webcam with archived pictures and movies, history, visiting, public programs, and links.
http://mthamilton.ucolick.org/

Dominion Astrophysical Observatory
As a national center for astronomical research based on observations at ultraviolet, optical and infrared wavelengths, the DAO offers programs both for the interested public and for visiting research scientists from other institutions.
http://www.hia-iha.nrc-cnrc.gc.ca/dao/index_e.html

NASA Infrared Telescope Facility
Hawaii.
http://irtfweb.ifa.hawaii.edu/

The Antarctic Infrared Observatory: AIRO
Plans are to exploit the unique conditions at the South Pole by establishing a new permanent large telescope lab. Page includes information about the new equipment and related resource links.
http://www.bu.edu/irafa/airo/IRAFA_files/v3_document.htm

Spitzer Space Telescope
A space-borne, cryogenically-cooled infrared observatory. SIRTF is the final element in NASA's Great Observatories Program, and an important scientific and technical cornerstone of the new Astronomical Search for Origins Program. Launch date: 25 August 2003. Estimated lifetime: 2.5 years (minimum); 5+ years (goal).
http://www.spitzer.caltech.edu/