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American Association Of Variable Star Observers (AAVSO) Professional and Amateur collection, research, and analysis of variable star observations. http://www.aavso.org/ - Report |
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American Astronomical Society (AAS) Established 1899, AAS is the major professional organization in North America for astronomers, other scientists and individuals interested in astronomy. http://www.aas.org - Report |
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Association of Lunar and Planetary Observers A medium for advancing and conducting work by both professional and amateur astronomers who share an interest in Solar System observations. Includes publications, programs, and image archive. http://alpo-astronomy.org/ - Report |
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Astronomical Society of the Pacific 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/ - Report |
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European Astronomical Society (EAS) 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://eas.unige.ch/ - Report |
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International Association of Geodesy Member information, meeting announcements, publications and reports, awards, and links to related sites. http://www.gfy.ku.dk/~iag/ - Report |
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International Earth Rotation Service (IERS) 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 the Earth's orientation for current use and long-term studies. Site describ http://hpiers.obspm.fr/ - Report |
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International Occultation Timing Association (IOTA) 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 occultations of stars by asteroids and planets, information on observing equipm http://www.occultations.org/ - Report |
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International Occultation Timing Association: European Section (IOTA/ES) A project consisting of predictions and data for the moon, asteroids, and planets. http://www.iota-es.de/ - Report |
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International Organisations for Archaeoastronomy and Cultural Astronomy Provides general information for the European Society for Astronomy in Culture and International Society for Archaeoastronomy and Astronomy in Culture. http://www.le.ac.uk/archaeology/rug/aa/gen/r2.html - Report |
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