Organisations — Americas
91 organisations
Argentina
Brazil
Canada
Chile
Colombia
Ecuador
Mexico
Peru
United States
United States (Chile)
United States (Puerto Rico)
Uruguay
Venezuela
Argentina
Asociación Argentina Amigos de la Astronomía (AAAA)
Argentine amateur astronomy association, Buenos Aires
CONAE — Comisión Nacional de Actividades Espaciales
Argentine Space Agency
Observatorio Astronómico de Córdoba
Historic observatory in Córdoba, founded 1871
Brazil
Agência Espacial Brasileira (AEB)
Brazilian Space Agency
Clube de Astronomia de São Paulo (CASP)
Astronomy club of São Paulo
Observatório Nacional — Rio de Janeiro
Brazilian National Observatory, founded 1827
Sociedade Astronômica Brasileira (SAB) — Outreach
Outreach section of the Brazilian Astronomical Society
Canada
David Dunlap Observatory
Astronomy institute at University of Toronto
Dominion Astrophysical Observatory (DAO)
Canadian research observatory in Victoria, BC
RASC Calgary Centre
RASC Calgary Centre, Alberta
RASC Edmonton Centre
RASC Edmonton Centre, Alberta
RASC Halifax Centre
RASC Halifax Centre, Nova Scotia
RASC Montreal Centre
RASC Montreal Centre, Quebec
RASC Ottawa Centre
RASC Ottawa Centre, Ontario
RASC Toronto Centre
RASC Toronto Centre, largest RASC centre
RASC Vancouver Centre
RASC Vancouver Centre, British Columbia
RASC Victoria Centre
RASC Victoria Centre, British Columbia
RASC Winnipeg Centre
RASC Winnipeg Centre, Manitoba
Chile
Asociación Chilena de Astronomía y Astronáutica (ACHAYA)
Chilean Association for Astronomy and Astronautics
Sociedad Chilena de Astronomía — Outreach
Outreach and amateur astronomy in Chile
Colombia
Sociedad Astronómica Colombiana (SAC)
Colombian Astronomical Society
Ecuador
Observatorio Astronómico de Quito
Oldest observatory in South America, founded 1873
Mexico
Agencia Espacial Mexicana (AEM)
Mexican Space Agency
Instituto de Astronomía — UNAM
Astronomy institute of UNAM, operates OAN San Pedro Mártir
Sociedad Astronómica de México — Amateur Section
Amateur section of the Mexican Astronomical Society
Peru
Sociedad Peruana de Astronomía (SPA)
Peruvian Astronomical Society
United States
Adler Planetarium
First planetarium in the Western Hemisphere, Chicago, 1930
Albuquerque Astronomical Society (TAAS)
Amateur astronomy society in Albuquerque, New Mexico
Amateur Astronomers Association of New York (AAANY)
Amateur astronomy association of New York City, founded 1927
Amateur Observers' Society of New York
Amateur observers' society in New York
American Physical Society (APS) — Division of Astrophysics
Division of Astrophysics of the American Physical Society
Apache Point Observatory
Observatory in New Mexico, SDSS site
Atlanta Astronomy Club (AAC)
Amateur astronomy club in Atlanta, Georgia
Austin Astronomical Society
Amateur astronomy society in Austin, Texas
Back Bay Amateur Astronomers (BBAA)
Amateur astronomy club in Virginia Beach, Virginia
Burke Baker Planetarium — Houston Museum of Natural Science
Planetarium in Houston, Texas
Caltech Astronomy
Astronomy department at Caltech, operates Palomar and Keck
Carnegie Observatories
Historic research institution in Pasadena, Hubble's discoveries
Central Texas Astronomical Society
Amateur astronomy society in Central Texas
Chicago Astronomical Society (CAS)
Amateur astronomy society in Chicago
Cincinnati Astronomical Society
Amateur astronomy society in Cincinnati, one of the oldest in the US
Clark Planetarium
Planetarium in Salt Lake City, Utah
Cleveland Astronomical Society
Amateur astronomy society in Cleveland, Ohio
Colorado Springs Astronomical Society
Amateur astronomy society in Colorado Springs
Dallas–Fort Worth Astronomical Society
Amateur astronomy society in Dallas/Fort Worth, Texas
Dearborn Observatory — Northwestern University
Historic observatory at Northwestern University, Evanston
Denver Astronomical Society (DAS)
Denver amateur astronomy society, operates Chamberlin Observatory
Fels Planetarium — The Franklin Institute
Planetarium in Philadelphia, Franklin Institute
Fermi National Accelerator Laboratory (Fermilab) — Astrophysics
Astroparticle physics, dark matter, dark energy surveys
Gemini Observatory
Twin 8m telescopes in Hawaii and Chile
Green Bank Observatory
100m GBT radio telescope in West Virginia, National Radio Quiet Zone
Griffith Observatory
Public observatory and planetarium in Los Angeles, since 1935
Harvard-Smithsonian Center for Astrophysics (CfA)
Largest astrophysics research center in the US, Cambridge, MA
Hayden Planetarium — American Museum of Natural History
Iconic planetarium in New York City, Rose Center for Earth and Space
Houston Astronomical Society (HAS)
Amateur astronomy society in Houston, Texas
Institute for Advanced Study — School of Natural Sciences
Theoretical astrophysics and cosmology, Princeton
Large Binocular Telescope Observatory (LBTO)
Binocular telescope with two 8.4m mirrors on Mt. Graham, Arizona
Lick Observatory — UC Santa Cruz
Historic observatory on Mt. Hamilton, California
Los Angeles Astronomical Society (LAAS)
Amateur astronomy society in Los Angeles, founded 1903
Lowell Observatory
Historic observatory in Flagstaff, Arizona — discovery of Pluto
MIT Kavli Institute for Astrophysics and Space Research
Astrophysics research institute at MIT — X-ray astronomy, exoplanets, TESS
McDonald Observatory
UT Austin research observatory in West Texas, public programs
Minnesota Astronomical Society (MAS)
Amateur astronomy society in Minnesota
Morrison Planetarium — California Academy of Sciences
Planetarium in San Francisco, part of the California Academy of Sciences
Nashville Astronomical Society
Amateur astronomy society in Nashville, Tennessee
National Academy of Sciences — Board on Physics and Astronomy
Advisory board for US astronomy policy (Decadal Survey)
National Optical Astronomy Observatory (Steward Observatory)
Astronomy department at University of Arizona, mirror fabrication
National Solar Observatory (NSO)
National solar observatory, operates DKIST on Maui
Philadelphia Area Center for History of Science — Rittenhouse Astronomical Society
Amateur astronomy society in Philadelphia, Pennsylvania
Phoenix Astronomical Society
Amateur astronomy society in Phoenix, Arizona
Portland Astronomical Society
Amateur astronomy society in Portland, Oregon
Raleigh Astronomy Club
Amateur astronomy club in Raleigh, North Carolina
Riverside Astronomical Society
Amateur astronomy society in Riverside, California, organizes RTMC
Rose City Astronomers — Portland, Oregon
Largest astronomy club in Oregon
Salt Lake Astronomical Society
Amateur astronomy society in Salt Lake City, Utah
San Diego Astronomy Association (SDAA)
Amateur astronomy association in San Diego, California
San Francisco Amateur Astronomers (SFAA)
San Francisco amateur astronomers, public star parties
San Jose Astronomical Association (SJAA)
Amateur astronomy association in San Jose, California
Seattle Astronomical Society (SAS)
Amateur astronomy society in Seattle, Washington
Smithsonian Astrophysical Observatory (SAO)
Part of CfA, operates Chandra X-ray Observatory
Springfield Telescope Makers (STM)
Historic telescope makers club, hosts Stellafane Convention
St. Louis Astronomical Society
Amateur astronomy society in St. Louis, Missouri
Tri-Valley Stargazers
Amateur astronomy club in Livermore/Pleasanton, California
Tucson Amateur Astronomy Association (TAAA)
Amateur astronomy association in Tucson, Arizona — near Kitt Peak
UC Santa Cruz — Department of Astronomy & Astrophysics
Leading in galaxy evolution and cosmological simulations
W. M. Keck Observatory
Two 10m telescopes on Mauna Kea, Hawaii
Warren Astronomical Society
Amateur astronomy society in Warren, Michigan (Metro Detroit)
United States (Chile)
Vera C. Rubin Observatory
8.4m survey telescope in Chile, Legacy Survey of Space and Time (LSST)
United States (Puerto Rico)
Arecibo Observatory (legacy)
Former 305m radio telescope in Puerto Rico, collapsed 2020
Uruguay
Asociación de Aficionados a la Astronomía del Uruguay (AAAU)
Uruguayan Amateur Astronomy Association
Venezuela
Sociedad Venezolana de Astronomía
Venezuelan Astronomical Society