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20th ANNIVERSARY! 2004-2024
In partnership with the
Astronomical Society of the Pacific
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Nationwide Events
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About Us & FAQ
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If you have forgotten your username or password, please enter your last name, the Email address that you have on file with us, and select the club that you belong to. You will receive an Email with your username and a newly generated password. You may wish to change this password to something easier to remember when you first log in.
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Acorn Jr. Science Club
Adirondack Sky Center
Alachua Astronomy Club
Alamogordo Astronomy Club
Aldrich Astronomical Society, Inc.
Amateur Astronomers Association
Amateur Astronomers Association of Pittsburgh
Amateur Astronomers Association of Princeton, Inc.
Amateur Astronomers Group
Amateur Astronomers, Inc.
Amateur Observers' Society of NY
Amateur Telescope Makers of Boston, Inc.
Ames Area Amateur Astronomers
Ancient City Astronomy Club
Andrews University Astronomy Club
Antelope Valley Astronomy Club
AquaSoft Astronomy Club
Arkansas Oklahoma Astronomical Society
Arrowhead Astronomical Society
Asociación de Observación, Difusión Astronómica y Ciencias del Espacio
Astronomers of Humboldt
Astronomers of Verde Valley
Astronomers Outreach Network
Astronomers Without Borders
Astronomical Association of Southern Illinois
Astronomical Society of East Texas
Astronomical Society of Eastern Missouri
Astronomical Society of Greater Hartford
Astronomical Society of Greenbelt
Astronomical Society of Harrisburg (ASH)
Astronomical Society of Kansas City
Astronomical Society of Las Cruces
Astronomical Society of Long Island
Astronomical Society of Nevada
Astronomical Society of New Haven
Astronomical Society of Northern New England
Astronomical Society of Southern New England
Astronomical Society of the Pacific
Astronomical Society of the Palm Beaches
Astronomical Society of the Toms River Area A.S.T.R.A.
Astronomy and Physics Club from Pasadena City College
Astronomy Associates of Lawrence
Astronomy Association of Arizona
Astronomy Club of Akron
Astronomy Club of Asheville
Astronomy Club of FSA
Astronomy Club of Lompoc
Astronomy Club of Tulsa
Astronomy Enthusiasts of Lancaster County
Astronomy in the Parks Society
Astronomy Section, Rochester Academy of Science
Atlanta Astronomy Club
Austin Astronomical Society
Back Bay Amateur Astronomers
Barnard Astronomical Society of Chattanooga
Barnard-Seyfert Astronomical Society
Bartlesville Astronomical Society
Baton Rouge Astronomical Society
Battle Point Astronomical Association
Bear Valley Springs Astronomy Club
Berks County Amateur Astronomical Society
Big Bear Valley Astronomical Society
Big Sky Astronomy Club
Birmingham Astronomical Society
Black Canyon Astronomical Society
Black Hawk Astronomy Club
Black River Astronomical Society
Boeing Employees' Astronomical Society
Boise Astronomical Society
Brazos Region Astronomy Service Society
Brazos Valley Astronomy Club
Brazosport Astronomy Club
Brighton Astronomy Group
Broken Arrow Sidewalk Astronomers
Broward Astronomy
Bruneau Dunes Observatory
Brunswick Astronomy Club
Bucks-Mont Astronomical Association
Buffalo Astronomical Association
Cache Valley Astronomical Society
Calumet Astronomical Society
Capital Area Astronomy Association
Carolina Skygazers
Catskills Astronomy Club
Cedar Amateur Astronomers, Inc.
Central Appalachian Astronomy Club of West Virginia
Central Arkansas Astronomical Society
Central Coast Astronomical Society
Central Florida Astronomical Society, Inc.
Central Maine Astronomical Society
Central Missouri Amateur Astronomers
Central Ohio Astronomical Society
Central Pennsylvania Observers
Central Texas Astronomical Society, Incorporated
Central Valley Astronomers
Central Washington University Astronomy Club
Chagrin Valley Astronomical Society
Champaign-Urbana Astronomical Society
Chapel Hill Astronomical and Observational Society
Charlie Elliott Astronomy
Charlotte Amateur Astronomers Club
Charlottesville Astronomical Society
ChesMont Astronomical Society
Chester County Astronomical Society
Cheyenne Astronomical Society
Chicago Astronomical Society
Cincinnati Astronomical Society
Cincinnati Observatory
Clemson Area Amateur Astronomers
Colorado Springs Astronomical Society
Columbia University Public Outreach
Columbus Astronomical Society
Community Observatory
Community of Humble / Administaff Observatory Society
Crystal Coast Stargazers
Cumberland Astronomical Society
Custer Observatory
Cuyahoga Astronomical Association
Darien O'Brien Astronomy Club
Death Valley National Park
Delaware Astronomical Society
Delaware Valley Amateur Astronomers
Delmarva Astronomy Society
Delmarva Space Sciences Foundation
Delmarva Stargazers
Denver Astronomical Society
Des Moines Astronomical Society
Door Peninsula Astronomical Society
Downeast Amateur Astronomers
Dudley Observatory & Albany Area Amateur Astronomers
East Central Minnesota Astronomy Club
East Valley Astronomy Club (EVAC)
Eastbay Astronomical Society
Eastlake Astronomy Club
Escambia Amateur Astronomer's Association
Estes Valley Astronomical Society
Eugene Astronomical Society
Evansville Astronomical Society
Everett Astronomical Society
Explore Alliance
Fargo-Moorhead Astronomy Club
Flint River Astronomy Club
Florida Keys Astronomy Club
Ford Amateur Astronomy Club
Forsyth Astronomical Society
Fort Bend Astronomy Club
Fort Wayne Astronomical Society
Fort Worth Astronomical Society
Fox Park Observatory
Fox Valley Astronomical Society
Fremont Peak Observatory Association
Gaithersburg Community Museum and Latitude Observatory
Galileo Astronomy Unclub
Gardner Camp Youth Astronomy Club
Geauga Skywatchers Club
Gloucester Area Astronomy Club
Grand Rapids Amateur Astronomical Association
Grants Pass Astronomers
Greater Hazleton Area Astronomical Society
Greater Houston Astronomical Coalition
Greensboro Astronomy Club
Harford County Astronomical Society
Hawaiian Astronomical Society
Helena Astronomical Society
Hercules Stargazers
High Desert Astronomical Society
Hilltopper Astronomy Club
Houston Astronomical Society
Huachuca Astronomy Club of Southeastern Arizona
Huntsville Amateur Astronomy Society
Idaho Falls Astronomical Society
Imperial Polk Astronomical Society
Indiana Astronomical Society
Iowa County Astronomers
Island County Astronomical Society
Jackson Hole Astronomy Club
John Glenn Astronomy Park
John J. McCarthy Observatory
Johnson Space Center Astronomical Society
JUC Astronomy Club
Kalamazoo Astronomical Society
Kansas Astronomical Observers
Keene Amateur Astronomy Club
Kennedy Space Center Amateur Astronomers
Kern Astronomical Society
Kids Observing Celestial Heavens And Beyond (KOCHAB)
Kiski Astronomers
Knoxville Observers
Kopernik Astronomical Society
La Crosse Area Astronomical Society
Lake County Astronomical Society
Lamoille County Star Gazers
Las Vegas Astronomical Society
Lehigh Valley Amateur Astronomical Society Inc.
Lima Astronomical Society
Litchfield Hills Amateur Astronomy Club
Little Colorado River Valley Astronomy Club
Local Group Astronomy Club of Santa Clarita Valley
Local Group of Deep Sky Observers
Longmont Astronomical Society
Los Angeles Astronomical Society
Los Angeles Sidewalk Astronomers
LOS ANGELES VALLEY COLLEGE ASTRONOMY GROUP
Louisville Astronomical Society
Lowcountry Stargazers
Lowell Observatory
Lunar Sooners
Magic Valley Astronomical Society
Manheim Township Astronomy Club
Marquette Astronomical Society
Marshal Martz Memorial Astronomical Association, Inc.
Mason Star Gazers
Memphis Astronomical Society
Miami Valley Astronomical Society
Michiana Astronomical Society Inc.
Mid-Hudson Astronomical Association
Middle Georgia Astronomical Society
Midlands Astronomy Club
Milwaukee Astronomical Society
Minnesota Astronomical Society
MIRA Astronomy Club
Modesto Junior College Astronomy Club
Mohawk Valley Astronomical Society
Morgan County Observatory Foundation
Morris Museum Astronomical Society
MOSI Observe the Sky Initiative
Mount Diablo Astronomical Society
Museum Astronomical Resource Society
Muskegon Astronomical Society
NASA Wallops Flight Facility Visitor Center
National Capital Astronomers
Natural Bridge State Park
NC Stargazers Astronomy Association
Nevada County Astronomers
Neville Public Museum Astronomical Society
New England Sci-Tech Astronomy
New Hampshire Astronomical Society
New Jersey Astronomical Association
Nightsky-45
Norman North Astronomy Club
North Houston Astronomy Club
Northeast Florida Astronomical Society
Northeast Kansas Amateur Astronomers' League Inc.
Northern Colorado Astronomical Society
Northern Cross Science Foundation
Northern Michigan Astronomy Club
Northern Sky Astronomical Society
Northern Virginia Astronomy Club (NOVAC)
Northwest Suburban Astronomers
NWA Star Gazers
NYSkies Astronomy Inc
Oak Ridge Isochronous Observation Network, Inc.
Oakland Astronomy Club
OBX Astronomy Club
Odyssey Astronomy Club
Ogden Astronomical Society
Oglebay Astronomy Club
Ohio Valley Astronomical Society
Oklahoma City Astronomy Club
Olympic Astronomical Society
Omaha Astronomical Society
Orange County Astronomers
Peninsula Astronomical Society
Penobscot Valley Star Gazers
Perkins Observatory
Pewaukee Astronomy Club
Phillips Exeter Academy Astronomy Club
Phoenix Astronomical Society
Physics and Astronomy Club
Piedmont Amateur Astronomers
Platte Valley Astronomical Observers
Pomona Valley Amateur Astronomers
Pontchartrain Astronomy Society
Popular Astronomy Club
Prairie Astronomy Club
Prescott Astronomy Club
Racine Astronomical Society
Raleigh Astronomy Club
Rappahannock Astronomy Club
Reach For The Stars
Rensselaer Astrophysical Society
Richmond Astronomical Society
Rio Rancho Astronomical Society, Inc.
Rittenhouse Astronomical Society
River Bend Astronomy Club
Riverside Astronomical Society
Roanoke Valley Astronomical Society
Robert Ferguson Observatory
Rochester Astronomy Club (Minnesota)
Rockford Amateur Astronomers, Inc.
Rockland Astronomy Club
Rose City Astronomers
Roswell Astronomy Club
Ryan Observatory at Muddy Run
S*T*A*R Astronomy Society
Sacramento Valley Astronomical Society
Salina Astronomy Club
Salt Lake Astronomical Society (SLAS)
San Angelo Astronomy Association
San Antonio Astronomical Association
San Antonio Astronomy Club
San Antonio League of Sidewalk Astronomers
San Bernardino Valley Amateur Astronomers
San Diego Astronomy Association
San Francisco Amateur Astronomers
San Jose Astronomical Association
San Mateo County Astronomical Society
Sangamon Astronomical Society
Santa Barbara Astronomical Unit
Santa Cruz Astronomy Club
Santa Fe Stargazers
Seattle Astronomical Society
Selman Living Laboratory Observatory
Seven Ponds Astronomy Club
Shasta Astronomy Club
Sheboygan Astronomical Society
Sheep Hill Astronomical Association
Shenandoah Astronomical Society
Shoals Astronomy Club
Shoreline Amateur Astronomical Association
SIU Carbondale Physics Department
Skyscrapers, Inc. Amateur Astronomical Society of Rhode Island
Sociedad de Astronomia de Puerto Rico
Sociedad de Astronomía del Caribe
Sonora Astronomical Society
South Bay Astronomical Society
South Florida Amateur Astronomers Association
South Jersey Astronomy Club
South Padre Island Astronomy Club
South Texas Astronomical Society
Southeastern Iowa Astronomy Club
Southern Colorado Astronomical Society
Southern Cross Astronomical Society
Southern Illinois University Edwardsville Star Parties
Southern Maine Astronomers
Southern Oregon Skywatchers
Southwest Florida Astronomical Society, Inc.
Southwest Montana Astronomical Society
SoVerA - Southern Vermont Astronomy Group
Spokane Astronomical Society
Springfield STARS
Springfield Telescope Makers
St. George Astronomy Group
St. Louis Astronomical Society
St. Petersburg Astronomy Club
Star City Astronomy Network
Star Light Observatory
Star Valley Astronomy Club
Starcreek Astronomical Society
Starlight Astronomy Club
Statesboro Astronomy Club
Steele County Astronomical Society
Stellar Vista Observatory
Stillwater Stargazers
Stonebelt Stargazers
Student Teacher Astronomical Research Society
Sugar Creek Astronomical Society
Summit County Astronomy Club, Inc.
Sun City Oro Valley Astronomy Club
Suncoast Stargazers, Inc.
Syracuse Astronomical Society
Tacoma Astronomical Society
Tallahassee Astronomical Society
Tar River Astronomy Club
Tatem Observatory Outreach Group
Temecula Valley Astronomers
Texas Astronomical Society of Dallas
Thames Amateur Astronomical Society
The Albuquerque Astronomical Society
The Catawba Valley Astronomy Club
The Heide Observatory
The Northwoods Explorers of Space and Astronomy
The Villages Astronomy Club
Treasure Coast Astronomical Society
Tri-City Astronomy Club of Southeastern Washington
Tri-State Astronomers
Tri-Valley Stargazers
Tucson Amateur Astronomy Association
Tulare Astronomical Association
Twin City Amateur Astronomers
Umpqua Astronomers
United Astronomy Clubs of New Jersey
University Lowbrow Astronomers
Upper Wabash CSC Observers
Utah Valley Astronomy Club
Von Braun Astronomical Society
Wabash Valley Astronomical Society
Warren Astronomical Society
Warren Rupp Observatory
West Hawaii Astronomy Club
West Jersey Astronomical Society
West Valley Astronomy Club
Westchester Amateur Astronomers
Western Colorado Astronomy Club
Western Montana Astronomical Association
Westminster Astronomical Society, Inc.
Westport Astronomical Society
Whatcom Association of Celestial Observers
Wilderness Center Astronomy Club
Yellowstone Valley Astronomy Association
York County Astronomical Society
Zanesville Astronomy Club