Established 1899, AAS is the major professional organization in North America for astronomers, other scientists and individuals interested in astronomy.
http://www.aas.org
Disseminates astronomical information. The ASP has become the largest general astronomy society in the world, with members from over 70 nations.
http://www.astrosociety.org/
Improves and promotes astronomical education at all levels in all institutions involved in teaching astronomy in Europe. Contains membership information, the group's history, news...
http://www.algonet.se/~sirius/eaae.htm
An association founded under the Swiss Civil Code in 1990. Its purpose is to contribute to and promote the advancement of astronomy in Europe.
http://www.iap.fr/eas/
Works to maintain the International Celestial Reference System and Frame, and the International Terrestrial Reference System and Frame, and to provide timely and accurate data on t...
http://hpiers.obspm.fr/
was established to encourage and facilitate the observation of occultations and eclipses. It provides predictions for grazing occultations of stars by the Moon and predictions for ...
http://www.occultations.org/
Facilitates collaboration in solar phvsics among European solar astronomers. Contains details about JOSO's aims, structure, meetings and working groups.
http://joso.oat.ts.astro.it/
A network of volunteers have cameras focused on the sky to create a 360 degree map of the planets and stars at one time. Data is fed into a computer and filtered for atmospheric i...
http://www.nightskylive.net/
Promotes international interdisciplinary programs in solar-terrestrial physics, and organizes and coordinates such programs. Site has a newsletter, meetings and events, member dir...
http://www.ngdc.noaa.gov/stp/SCOSTEP/scostep.html
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