Sites

Night Sky Live (Popularity: )

A network of volunteers have cameras focused on the sky to create a 360 degree ...

American Association Of Variable Star Observers (AAVSO) (Popularity: )

Professional and Amateur collection, research, and analysis of variable star observations.

The International Astronomical Union (IAU) (Popularity: )

Founded in 1919, has a mission to promote and safeguard the science of astronomy through ...

The Astronomical Society of South Australia (Popularity: )

founded in 1892, is the oldest society of its kind in Australia. Its objectives are ...

International Occultation Timing Association (IOTA) (Popularity: )

was established to encourage and facilitate the observation of occultations and eclipses. It provides predictions ...

Utah Skies (Popularity: )

A very comprehensive collection of information useful and interesting to amateur astronomers, especially those located ...

European Astronomical Society (EAS) (Popularity: )

An association founded under the Swiss Civil Code in 1990. Its purpose is to contribute ...

International Earth Rotation Service (IERS) (Popularity: )

Works to maintain the International Celestial Reference System and Frame, and the International Terrestrial Reference ...

American Astronomical Society (AAS) (Popularity: )

Established 1899, AAS is the major professional organization in North America for astronomers, other scientists ...

International Organisations for Archaeoastronomy / Cultural Astronomy (Popularity: )

An association founded under the Swiss Civil Code in 1990. Its purpose is to contribute ...

The Astronomical League (Popularity: )

is composed of over two hundred local amateur astronomical societies from all across the United ...

Euro-Asian Astronomical Society (Popularity: )

Maintains the development of astronomy and reinforces scientific contacts between astronomers of the former Soviet ...

Royal Astronomical Society of Canada (Popularity: )

Key activities include research and observing planets, stars, celestial phenomena and the abatement of light ...

International Occultation Timing Association - European Section (IOTA/ES) (Popularity: )

Key activities include research and observing planets, stars, celestial phenomena and the abatement of light ...

Astronomical Society of the Pacific (Popularity: )

Disseminates astronomical information. The ASP has become the largest general astronomy society in the world, ...

International Association of Geodesy (Popularity: )

Member information, meeting announcements, publications and reports, awards, and links to related sites.