Facilitates collaboration in solar physics among European solar astronomers. Contains details about...
A project consisting of predictions and data for the moon, asteroids, and planets.
Founded in 1919, has a mission to promote and safeguard the science of astronomy through internatio...
A nonprofit organization that promotes exploration of the solar system and the search for extraterr...
Established to encourage and facilitate the observation of occultations and eclipses. It provides p...
An international society of amateurs and professionals specialising in the observation of double st...
Composed of over two hundred local amateur astronomical societies from across the United States. In...
Disseminates astronomical information. The ASP has become the largest general astronomy society in ...
A medium for advancing and conducting work by both professional and amateur astronomers who share a...
Professional and Amateur collection, research, and analysis of variable star observations.
Established 1899, AAS is the major professional organization in North America for astronomers, othe...
Provides general information for the European Society for Astronomy in Culture and International So...