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Amateur Astronomers, Inc. is one of the largest astronomy clubs in the United States. It is located at William Miller Sperry Observatory in Cranford, NJ

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Home Page of the Denver Astronomical Association or DAS, providing public outreach, astronomical observing facilities for members, support to the University of Denver

New Jerseys premiere astronomy club

Welcome to the American Association of Amateur Astronomers, the Internet Astronomy Club, and AstroMax, the AAAA Online Store

The San Francisco Amateur Astronomers (SFAA) are a not for profit group with some activities for the general public.

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South Florida Amateur Astronomers Association & The Fox Observatory is a registered non-profit educational amateur astronomy society located in Sunrise, Florida. Membership is open to anyone interested in any area of astronomy.

Space.com provides information on everything Space - satellites, stars, astronomy, the Sun, planets, NASA and more.