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Welcome to the Royal Astronomical Society of Canada | The Royal Astronomical Society of Canada
descrizione: Key activities include research and observing planets, stars, celestial phenomena and the abatement of light pollution.
Ricerche popolari: rasc
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Lingua: English
The Astronomical Society of South Australia was founded in 1892 and is the oldest society of its kind in Australia.
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International Occultation Timing Association Administrative Website
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Home page of Raymond Mercier
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an international society of amateur and professional astronomers specialising in the observation of double stars and deep sky objects
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Stargazing Network provide free Web page hosting for the Amateur Astronomy Community. Stargazing Network is sponsored by Cetus Technology at www.cetus.net.
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Member information, meeting announcements, publications and reports, awards, and links to related sites.
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Site description here
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Works to maintain the International Celestial Reference System and Frame, and the International Terrestrial Reference System and Frame, and to provide timely and ...
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3.0 / 5.0, Lingua: English