NOAO Data Lab - https://datalab.noao.edu - access to data, data products and catalogs.

Interactive Map of Observatories, Planetariums, and Astronomy Clubs http://find.mapmuse.com/re1/mmHomeInterestsList.php?cat=Astronomy

OBSERVATORIES

• Yahoo list of Observatories: http://dir.yahoo.com/Science/Astronomy/Research/Observatories/
• Antarctic Muon and Neutrino Detector Array http://amanda.berkeley.edu/
• Apache Point Observatoryhttp://www.apo.nmsu.edu/
• 8-meter Gemini Scopes http://www.gemini.edu
• David Dunlap Observatory http://ddo.astro.utoronto.ca -- Database of stellar information
• European Southern Observatory http://www.eso.org/
• Grasslands, Sabino Canyon, and 3towers Observatories http://www.3towers.com/ -- images of Color Images of Arp Galaxies, Messier Objects, NGC Objects, Other Interesting Objects
• MITÊ Haystack Observatory http://www.haystack.mit.edu/
• Keck Observatory http://www.ucolick.org/
• Kitt Peak National Observatory http://www.noao.edu/kpno/kpno.html
• Lick Observatory http://www.ucolick.org/
• Lowell Observatory http://www.lowell.edu/
• Meyer-Womble Observatory (Mt. Evans, Colorado) http://www.du.edu/~rstencel -- world's highest groundbased operating observatory 14,148' (Mt. Evans peak is 14,264') above 90% of Earth's water vapor. Twin 28.5" Ritchey-Chretien telescopes.
• Mount Wilson Observatory
  • ral, visitor, and science-program information http://www.mtwilson.edu; 150-ft Solar Tower http://www.astro.ucla.edu/~obs/intro.html
  • Mount Wilson Observatory Online Stargazer Map http://www.mtwilson.edu/Services/StarMap/l
  • Mount Wilson Observatory Association http://www.mwoa.org/
• National Optical Astronomy Observatories http://www.noao.edu/
• National Radio Astronomy Observatory http://www.nrao.edu/
• National Virtual Observatory http://www.us-vo.org/
• Palomar http://astro.caltech.edu/observatories/palomar/index.html
• Perkins Observatory http:/lwww.ast.cam.ac.uk/RGO [Closed]
• Smithsonian Astrophysical Observatory http://cfa-www.harvard.edu/cfa-home.html
• Strasbourg Astronomical Data Center http://cdsweb.u-strasbg.fr Astronomy Internet resources, catalogs
• US Naval Observatory http://tycho.usno.navy.mil/time.html Official Time -- also, U.S. Naval Observatory Astronomical Applications http://aa.usno.navy.mil/AA/data/ -- Sunrise/Sunset, Moonrise/Moonset, or Twilight Times, Moon Illumination, Phases, Eclipses, Positions of Sun, Moon, Major Solar System Bodies and Bright Stars, Dates of Equinoxes, Solstices, Perihelion,and Aphelion 1992-2005, Julian Date Conversion
• Virtual Observatories--Imagine you are an astronomer with instant, fingertip access to all existing observations of a given object and the opportunity to sift through them at will...
  • US National Virtual Observatory http://www.us-vo.org/
  • Europe's Virtual Observatory-- Astrophysical Virtual Observatory (AVO) -- http://www.euro-vo.org/
  • AstroGrid (UK) -- http://www.astrogrid.org/
• WIYN http://www.noao.edu/wiyn/wiynimages.html --University of Wisconsin, Indiana University, Yale University, and the National Optical Astronomy Observatories (NOAO)