The Canadian Astronomical Society (CASCA) is a Canadian society of professional astronomers, founded in 1971 and incorporated in 1983. The society is devoted to the promotion and advancement of knowledge of the universe through research and education, and its membership is open to people with a professional involvement in astronomy and related sciences.
The main activities of the Society are its annual scientific meetings, the planning and realization of scientific projects, the support of the scientific activities of its members, and the dissemination of related information among members and other interested people.
The quarterly newsletter of the Society, called Cassiopeia is published at equinoxes and solstices.
References
Canadian Astronomical Society Wikipedia(Text) CC BY-SA