Astronomical Observatories

Alabama
James Wylie Shepherd Observatory, Montevallo, Alabama, http://www.citizensformontevallo.com/observatory/
University of Alabama Observatory, Tuscaloosa, Alabama, http://astronomy.ua.edu/public-events/
University of North Alabama, Florence, Alabama, https://www.una.edu/planetarium/programs-for-the-public/index.html

Arizona
Govenor Aker Observatory, Safford Arizona, https://www.eac.edu/discoverypark/
Fred Lawrence Whipple Observatory, Mount Hopkins, Arizona, https://www.cfa.harvard.edu/flwo
Lowell Observatory, Flagstaff, Arizona, https://lowell.edu
Mount Lemmon Observatory, Tucson Arizona, https://skycenter.arizona.edu/content/support-skycenter
NOIRLab, Kitt Peak Observatory, Cerro Tololo Interamerican Observatory, Rubin Observatory, Gemini Observatory, https://noirlab.edu/public/about/visits/public-visits/
Vatican Advanced Technology Telescope, Mount Graham, Arizona, https://vovatt.org
Winer Observatory, Sonoita, Arizona, http://winer.org

Arkansas
Celestial Observatory, Russellcille, Arkansas, https://www.atu.edu/physics/Observatory.php

California 
Big Bear Lake Observatory, Big Bear City, California, http://www.bbso.njit.edu
Chabot Space and Science Center, Oakland, California, https://chabotspace.org
Chico Community Observatory, Chico, California, https://www.choosechico.com/must-see/
Clinton B. Ford Observatory, Mount Peltier, Wrightwood, California, https://www.aavso.org/clinton-ford-observatory
Foothill Observatory, Los Altos Hills, California, https://www.foothill.edu/astronomy/observatory.html
Fremont Peak Observatory, San Juan Bautista, California, https://www.fpoa.net
Griffith Observatory, Los Angeles, California, http://www.griffithobservatory.org
Lick Observatory, Mount Hamilton, San Jose, California, https://mthamilton.ucolick.org
Monterey Institute for Research in Astronomy, Monterey, California, http://www.mira.org
Mount Wilson Observatory, Mount Wilson, Los Angeles County, California, https://www.mtwilson.edu
Owens Valley Radio Observatory, Bishop, California, https://www.ovro.caltech.edu/index.php?page=outreach
Palomar Observatory, Palomar Mountain, California, https://www.astro.caltech.edu/palomar/homepage.html
Sonoma State Observatory, Rohnert Park, California, http://www.phys-astro.sonoma.edu/publicviewingnight.shtml
Weaver Student Observatory, Monterey, California, http://www.mira.org/museum/exib.htm
Yuba City Astronomical Observatory, Yuba City, California, http://www.ycao.org

Colorado 
Chamberlin Observatory, Denver, Colorado, https://www.denverastro.org/?page_id=64 , https://science.du.edu/physics/chamberlin-observatory
Las Brisas Observatory, Colorado, http://www.lbo.teuton.org
Sommers-Bausch Observatory, Boulder, Colorado, https://www.colorado.edu/sbo/

Connecticut 
Bowman Observatory, Greenwich, Connecticut, http://astrogreenwich.org
Leitner Family Observatory and Planetarium, New Haven,CT, https://leitnerobservatory.yale.edu
Rolnick Observatory, Westport, Connecticut, https://www.was-ct.org
Van Vleck Observatory, Middletown, Connecticut, https://www.wesleyan.edu/observatory/

Delaware
Mount Cuba Astronomical Observatory, Greenville, Delaware, https://www.mountcuba.org/about-the-observatory

Florida
Eastern Florida State College Planetarium & Observatory, Cocoa, Brevard County, Fl, https://www.easternflorida.edu/community-resources/planetarium/
Embry- Riddle Observatory, Daytona Beach, Florida, https://observatory.db.erau.edu
Fox Observatory, Sunrise, Florida, http://www.sfaaa.com
Robinson Observatory, Orlando Florida,https://planets.ucf.edu/observatory/
Rosemary Hill Observatory, Bronson, Florida, https://www.astro.ufl.edu/research/telescopes/rosemary-hill-observatory/

Georgia 
Bradley Observatory, Decatur Georgia, https://www.agnesscott.edu/bradleyobservatory/
Fernbank Observatory, Atlanta, Georgia, www.fernbank.edu
Hard Labor Creek Observatory, Atlanta, Georgia, https://www.phy-astr.gsu.edu/connections/outreach/hlco/
Mead Observatory, Columbus, Georgia, https://www.ccssc.org, http://www.n-georgia.com/coca-cola-space-science-center.html
North Georgia Astronomical Observatory, Dahlonega, Georgia, https://ung.edu/observatory/
Puckett Observatory, Ellijay, Georgia, http://cometwatch.com/home.html
Red Barn Observatory, Ty Ty, Georgia, https://web.archive.org/web/20070220021909/http://www.cometary.net/

Hawaii
Haleakala Observatory, Maui, Hawaii, http://www.ifa.hawaii.edu/ifa2/outreach.shtml
Keck Observatory, Mauna Kea, Hawaii, https://keckobservatory.org/visit/
Maunakea Observatories, Hawaii, https://maunakeaobservatories.org/about/
Mauna Kea Observatory, Mauna Kea, Hawaii, https://about.ifa.hawaii.edu/facility/mauna-kea-observatories/

Idaho 
Centennial Observatory, Twin Falls, Idaho, https://herrett.csi.edu/astronomy/observatory/index.asp
Herrett Observatory, Twin Falls, Idaho, https://herrett.csi.edu/astronomy/observatory/index.asp

Illinois
Dearborn Observatory, Evanston, Illinois, https://www.physics.northwestern.edu/about/dearborn-observatory/
Glen D. Riley Observatory, Naperville, Illinois, http://www.stargazing.net/naa/gdro.htm
Riley Observatory, Naperville, Illinois, http://www.stargazing.net/naa/index.shtml
University of Illinois Astronomical Observatory, Urbana, Illinois, https://astro.illinois.edu/newsroom/history-department/campus-observatory

Indiana 
Goethe Link Observatory, Brooklyn, Indiana, https://www.astro.indiana.edu/goethelink.shtml
Holcomb Observatory and Planetarium, Indianapolis, Indiana, https://www.butler.edu/holcomb-observatory
Kirkwood Observatory, Bloomington, Indiana, https://www.astro.indiana.edu/kirkwood.shtml
McKim Observatory, Greencastle, Indiana, https://www.depauw.edu/academics/departments-programs/physics-astronomy/mckim-observatory/
Morris Observatory, Manchester University, North Manchester, Indiana, https://www.manchester.edu/Common/VisitingManchester/campus_map/observatory.htm

Iowa 
Ashton Observatory, Aston-Wildwood County Park, Iowa, The Des Moines Astronomical Society, Inc. is a non-profit organization dedicated to educating the general public about astronomy and astrophysics. The club operates an observatory at Ashton-Wildwood Park in Jasper County, where two 16 inch diameter telescopes and a classroom are available. For more information visit https://www.dmastronomy.com
Grant O. Gale Observatory, Grinnell, Iowa, https://www.grinnell.edu/spaces/gale-observatory
Menke Observatory, Davenport, Iowa, https://www.scottcountyiowa.gov/conservation/wapsi/education/menke-observatory
Palisades-Dows Observatory, Cedar Rapids, Iowa, https://cedar-astronomers.org
Witte Observatory, Mediapolis, Iowa, https://www.dmcounty.com/516/Witte-Observatory-Complex

Kansas 
Crane Observatory, Topeka, Kansas, https://washburn.edu/academics/college-schools/arts-sciences/departments/physics-astronomy/observatory.html
Lake Afton Public Observatory, Wichita, Kansas, http://www.kansastravel.org/wichita/lakeaftonobservatory.htm

Kentucky 
Moore Observatory, Oldham, Kentucky, https://www.astro.louisville.edu/moore/
Otter Creek Observatory, Meade County, Kentucky, http://observatory.jctcfaculty.org

Louisiana 
Highland Road Park Observatory, Baton Rouge, Louisiana, http://www.bro.lsu.edu
LIGO, Hanford Site and Livingston, Louisiana, https://www.ligo.caltech.edu/LA/page/Tours
Ralph A. Worley Observatory, Shreveport, Louisiana, http://www.shreveportastronomy.com/index.html

Maine 
Maynard F. Jordan Observatory, Orono, Maine, https://astro.umaine.edu/observatory/maynard-f-jordan-observatory/

Maryland 
University of Maryland Observatory, College Park, Maryland, http://www.astro.umd.edu/openhouse/

Massachusetts 
Bridgewater State University Observatory, Bridgewater, Massachusetts,https://www.bridgew.edu/center/case/observatory
Harvard College Observatory, Cambridge, Massachusetts, https://www.cfa.harvard.edu/publicevents
Haystack Observatory, Westford, Massachusetts, https://www.haystack.mit.edu/about/open-house-events/
Hopkins Observatory, Williamstown, Massachusetts, https://astronomy.williams.edu/hopkins-observatory/history/
Judson B. Coit Observatory, Boston, Massachusetts, http://www.bu.edu/astronomy/events/public-open-night-at-the-observatory/
Maria Mitchell Observatory, Nantucket, Massachusetts, https://www.mariamitchell.org
Orchard Hill Observatory, Amherst, Massachusetts, https://www.umass.edu/admissions/student-blog/2019/umass-observatory
Smithsonian Astrophysical Observatory, Cambridge, Massachusetts, https://www.cfa.harvard.edu/education-outreach
Springfield Observatory, Springfield, Massachusetts, https://www.reflector.org
Whitin Observatory, Wellesley, Massachusetts, https://www.wellesley.edu/astronomy/whitin
Wilder Observatory, Amherst, Massachusetts, https://www.amherst.edu/museums/wilder

Michigan 
Angell Hall Observatory, Ann Arbor, Michigan, Angell Hall houses the primary student observatory, where astronomy undergraduates often get their first exposure to a professional telescope. The Student Astronomical Society runs public open houses at Angell Hall. For more information visit https://sites.google.com/a/umich.edu/sas/
Brooks Astronomical Observatory, Mount Pleaseant, Michigan, https://www.cmich.edu/colleges/se/physics/BAO/Pages/default.aspx
Detroit Observatory, Ann Arbor, Michigan, https://lsa.umich.edu/astro/public-outreach/detroit-observatory-open-houses.html
Fox Park Public Observatory, Potterville, Michigan, https://www.eatoncounty.org/229/Fox-Park-Public-Observatory
Hector J Robinson Observatory, Lincoln Park, Michigan, http://hjrobservatory.blogspot.com
McMath-Hulbert Solar Observatory, Lake Angelus, Michigan, http://www.mcmathhulbert.org/solar/
Michigan State University Observatory, East Lansing, Michigan, https://web.pa.msu.edu/astro/observ/
Peach Mountain Observatory, Dexter, Michigan, http://www.umich.edu/~lowbrows/theclub/
Rogers Observatory, Traverse City, Michigan, https://www.nmc.edu/resources/observatory/public-viewing.html
Sherzer Observatory, Ypsilanti, Michigan, https://www.emich.edu/physics-astronomy/facilities/sherzer.php
University of Michigan-Dearborn Observatory, Dearborn, Michigan, https://www.physics.northwestern.edu/about/dearborn-observatory/
Veen Observatory, Lowell, Michigan, https://www.graaa.org/veen-observatory

Minnesota
Goodsell Observatory, Northfield, Minnesota, https://apps.carleton.edu/campus/observatory/
John T. Tate Hall Reflecting Telescope, Minnesota Institute for Astrophysics, University of Minnesota, https://cse.umn.edu/mifa/public-events/telescope-viewing
Macalester College Observatory, Saint Paul, Minnesota, https://www.macalester.edu/physics/teachingresearch/facilities/observatory/
Sola Fide Observatory, Austin, Minnesota, https://www.hormelnaturecenter.org/sola-fide-observatory.html
St. Thomas Observatory, Saint Paul, Minnesotta, https://cas.stthomas.edu/departments/areas-of-study/physics/observatory/index.html

Mississippi 
Howell Observatory, Starkville, Mississippi, http://at876.physics.msstate.edu/Howell.html
Kennon Observatory, Oxford, Mississippi, https://physics.olemiss.edu/kennon/
Rainwater Observatory, French Camp, Mississippi, https://rainwaterobservatory.org

Missouri 
Baker Observatory, Marshfield, Missouri. The William G. and Retha Stone Baker Observatory is an astronomical observatory owned and operated by Missouri State University. For more information visit https://physics.missouristate.edu/public-observing-night.htm
Laws Observatory, Columbia, Missouri, https://physics.missouri.edu/laws-observatory
Morrison Observatory, Fayette, Missouri, https://centralmethodist.edu/about/campus-attractions/morrison-observatory.html

Montana 

Nebraska
Behlen Observatory, University of Nebraska-Lincoln, Mead, Nebraska, https://observatory.unl.edu
Honey Creek Observatory, O’Neill, Nebraska, http://www.hcobs.org
Hyde Memorial Observatory, Lincoln Nebraska, http://www.hydeobservatory.info

Nevada
Jack C. Davis Observatory, Carson City, Nevada, https://www.wnc.edu/observatory/

New Hampshire
Shattuck Observatory, Hanover, New Hampshire, https://physics.dartmouth.edu/news-events/public-observing
University of New Hampshire Observatory, Durham, New Hampshire, https://physics.unh.edu/content/observatory

New Jersey 
Ellis Observatory, Sterling Hill Mining Museum, Ogdensburg, New Jersey, https://www.sterlinghillminingmuseum.org/ellis-astronomical-observatory
Paul Robinson Observatory, High Bridge, New Jersey, http://www.njaa.org
Robert A. Schommer Observatory, Rutgers University, New Brunswick, New Jersey, https://physics.rutgers.edu/home-observatory-nights
Sperry Observatory, Cranford, New Jersey, https://asterism.org/sperry-observatory/

New Mexico
Magdalena Ridge Observatory, Socorro County, New Mexico, http://www.mro.nmt.edu
National Solar Observatory, Sunspot, New Mexico, https://sunspot.solar
University of New Mexico, Campus Observatory, http://physics.unm.edu/pandaweb/observatory/index.php
Very Large Array, Socorro, New Mexico, http://www.vla.nrao.edu

New York 
Adirondack Sky Center and Observatory, Tupper Lake, New York, https://www.adirondackskycenter.org
Class of 1951 Observatory, Poughkeepsie, New York, https://physicsandastronomy.vassar.edu/facilities/observatory.html
Collins Observatory, Corning, New York, https://www.corning-cc.edu/about/observatory.php
Custer Observatory, Southhold, New York, http://custerobservatory.org
Foggy Bottom Observatory, Hamilton, New York,http://observatory.colgate.edu
Ford Observatory, Ithaca, New York, https://www.ithaca.edu/academics/school-humanities-and-sciences/physics-and-astronomy/clinton-b-ford-telescope-observatory
Fuertes Observatory, Ithaca, New York, https://www.cornellastrosociety.org
Hartung-Bootroyd Observatory, Ithaca, New York, https://hbo.sirtf.com
Hirsch Observatory, Troy New York, https://www.rpi.edu/dept/phys/observatory/
Kopernik Observatory and Science Center, Vestal, New York, https://www.kopernik.org
Martz Observatory, Chautauqua County, New York, https://martzobservatory.org
Mees Observatory, Rochester, New York, http://www.pas.rochester.edu/about/observatory.html
Mount Stony Brook Observatory, Stony Brook, New York, http://www.astro.sunysb.edu/observer/mtsb.html
RIT Observatory, Rochester, New York, https://www.rit.edu/science/rit-observatory
Rutherford Observatory, New York City, New York, http://outreach.astro.columbia.edu/aboutus/index.html
Stull Observatory, Alfred, New York, http://helios.alfred.edu/Site/Astronomy_Alfred_University_Stull_Observatory.html

North Carolina
Dark Sky Observatory, Phillips Gap, Wilkes County, North Carolina, https://dso.appstate.edu
Miller Observatory, Maiden, North Carolina, http://catawbasky.org
Pisgah Astronomical Research Institute, Pisgah National Forest, North Carolina, https://www.pari.edu
Rankin Science Observatory, Appalachian State University, Boone, North Carolina, https://dso.appstate.edu/facilities/rankin-science-observatory
Williams Observatory, Boiling Springs, North Carolina, https://gardner-webb.edu/resources/community-resources/crave-w-williams-observatory/

Ohio
Apollo Observatory, Dayton Ohio, http://www.mvas.org/node/156
Brooks Observatory, Toledo Ohio, https://www.utoledo.edu/nsm/rpbo/
Burrell Memorial Observatory, Berea, Ohio,https://www.bw.edu/events/2017/fall/10-13-burrell-observatory-open-house-lecture
Cincinnati Observatory, Cincinnati, Ohio, https://www.cincinnatiobservatory.org
Perkins Observatory, Delaware, Ohio, http://perkins.owu.edu
Pollock Astronomical Observatory, Hunting Valley, Ohio, https://www.us.edu/list-detail?pk=41887
Ritter Planetarium and Brooks Observatory, Toledo, Ohio, https://www.utoledo.edu/nsm/rpbo/
Stephens Memorial Observatory, Hiram, Ohio, https://stephensobservatory.org
Warren Rupp Observatory, Mansfield, Ohio, https://wro.org
Weitkamp Observatory, Westerville, Ohio, https://www.otterbein.edu/physics/facilities/

Oklahoma
ACT Observatory, Mounds, Oklahoma, https://www.astrotulsa.com
Medenhall Observatory, Stillwater, Oklahoma, https://physics.okstate.edu/research/mendenhall-observatory
Mounds Observatory, Tulsa, Oklahoma, http://astrotulsa.com
University of Oklahoma Observatory, Norman, Oklahoma, http://observatory.ou.edu/Welcome.html

Oregon
Pine Mountain Observatory, Bend, Oregon, https://pmo.uoregon.edu
Sunriver Observatory, Sunriver, Oregon, https://snco.org
Vernonia Peak Observatory, Vernonia, Oregon, https://web.archive.org/web/20110903194257/http://www.nwag.portland.or.us/

Pennsylvannia
Allegheny Observatory, Pittsburgh, Pennsylvannia, http://www.pitt.edu/~aobsvtry/
Bradstreet Observatory, St Davids, Pennsylvannia, http://euastronomy.com/observe#observe/home
Bucknell Observatory, Lewisburg, Pennsylvannia, http://www.eg.bucknell.edu/physics/astronomy/observatory/
Cupillari Observatory, la Plume, Pennsylvannia, https://www.keystone.edu/observatory/
Mehalso Observatory, Erie, Pennsylvannia, https://behrend.psu.edu/school-of-science/laboratory-facilities/mehalso-observatory-astronomy
Naylor Observatory, Harrisburg, Pennsylvannia, https://www.astrohbg.org
Oil Region Astronomical Observatory, Venango County, Pennsylvannia, http://www.oras.org
Sproul Observatory, Swarthmore, Pennsylvannia, https://www.cs.swarthmore.edu/program/history/sproul.html
Widener University Observatory, Chester, Pennsylvannia, https://www.widener.edu/about/campus-community-resources/observatory

Rhode Island 
Frosty Drew Observatory, Charleston, Rhode Island, https://frostydrew.org/observatory/
Ladd Observatory, Providence, Rhode Island, https://www.brown.edu/Departments/Physics/Ladd/
Margaret M. Jacoby Observatory, Warwick, Rhode Island, https://www.ccri.edu/physics/observatory.html

South Carolina
Francis Marion University Observatory, Florence, South Carolina, http://astro.fmarion.edu/observe/
Melton Memorial Observatory, Columbia, South Carolina, https://sc.edu/study/colleges_schools/artsandsciences/physics_and_astronomy/for_the_community/melton_observatory/index.php

South Dakota
Badlands Observatory, Quinn, South Dakota, A privately owned facility dedicated to Astronomical Research & Education. For more information visit  http://sdspacegrant.sdsmt.edu/bo.htm
Hidden Valley Observatory, Rapid City, South Dakota, https://sdbhas.org/faqs/

Tennessee
Cordell-Lorentz Observatory, Sewanee, Tennessee, https://new.sewanee.edu/programs-of-study/physics-astronomy/
Dyer Observatory, Brentwood, Tennessee, https://dyer.vanderbilt.edu
Jones Observatory, Chattanooga, Tennessee, https://www.utc.edu/chemistry-physics/jones-observatory/index.php
Tamke-Allan Observatory, Roane County, Tennessee, https://www.roanestate.edu/?349-Tamke-Allan-Observatory
Vanderbilt University Observatory, Nashville, Tennessee, https://dyer.vanderbilt.edu

Texas 
McDonald Observatory, Davis Mountains, Texas, https://mcdonaldobservatory.org
Orion Ranch Observatory, Bertram, Texas, https://www.orionranchobservatory.com
SFA Observatory, Nacogdoches, Texas, http://observatory.sfasu.edu
Texas A&M Astronomical Observatory, College Station, Texas, http://astronomy.physics.tamu.edu/observatory.html

Utah
Willard L. Eccles Observatory, Frisco Peak, Utah, http://www.physics.utah.edu/weo/

Virginia 
Fan Mountain Observatory, Albemarie County, Virginia, https://astronomy.as.virginia.edu/public-outreach/observatory-public-night-program
Keeble Observatory, Ashland, Virginia, https://www.rmc.edu/departments/physics/keeble-observatory
Leander McCormick Observatory, Mount Jefferson, Charlottesville, Virginia, https://astronomy.as.virginia.edu/public-outreach/observatory-public-night-program
Stokesville Observatory, Virginia, http://www.valleystargazers.com/direct.htm
Winfree Observatory, Lynchburg, Virginia, http://randolphscience.org
D.C. Wysor Observatory & Museum, Dublin, VA, https://www.radfordva.gov/496/DC-Wysor-Observatory-Museum

Washington
Goldendale Observatory, Goldendale, Washington, https://parks.state.wa.us/512/Goldendale-Observatory
Jewett Observatory, Pullman, Washington, https://physics.wsu.edu/about/observatory/
Manatash Ridge Observatory, Ellensburg, Washington, http://depts.washington.edu/astron/research/facilities/
Theodore Jacobsen Observatory, Seattle, Washington, http://depts.washington.edu/astron/outreach/jacobsen-observatory/

West Virginia
Green Bank Telescope, Green Bank, West Virginia, https://greenbankobservatory.org/visit/

Wisconsin
Hobbs Observatory, Fall Creek, Wisconsin, https://www.cvastro.org/hobbs-observatory/
Pine Bluff Observatory, Cross Plains, Wisconsin, http://www.sal.wisc.edu/PBO/
Washburn Observatory, Madison, Wisconsin, http://www.astro.wisc.edu/the-public/public-observing-at-washburn/
Yerkes Observatory, Williams Bay, Wisconsin, https://www.yerkesobservatory.org

Wyoming 
Mountain Skies Observatory, Lyman, Wyoming, https://www.mountain-skies.org

District of Columbia 
U.S. Naval Observatory, Washington, D.C., https://www.usno.navy.mil/USNO

Puerto Rico
Arecibo Observatory, Arecibo, Puerto Rico, http://www.naic.edu/ao/
University of Puerto Rico at Humacao Observatory, Humacao, Puerto Rico, https://sites.google.com/a/upr.edu/observatorio-uprh/home

US Virgin Islands
Etelman Observatory, University of the Virgin Islands, St Thomas, US Virgin Islands, https://observatory.uvi.edu

Various Locations
Very Long Baseline Array, Various Locations, https://public.nrao.edu/telescopes/vlba/