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International Earth Rotation Service (IERS)

Descripción: 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 ...

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idioma: English

Temas de este sitio: astronomy

Astronomical Society of South Australia

The Astronomical Society of South Australia was founded in 1892 and is the oldest society of its kind in Australia.

assa.org.au -

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3.0 / 5.0, idioma: English

Welcome to the Royal Astronomical Society of Canada | The Royal ...

Key activities include research and observing planets, stars, celestial phenomena and the abatement of light pollution.

rasc.ca -

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3.0 / 5.0, idioma: English

Calendar conversion program Kairos; font and keyboard utilities

Home page of Raymond Mercier

raymondm.co.uk -

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3.0 / 5.0, idioma: English

IOTA - International Occultation and Timing Association

International Occultation Timing Association Administrative Website

occultations.org -

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clasificación:

3.0 / 5.0, idioma: English

Stargazing Network Main Page

Stargazing Network provide free Web page hosting for the Amateur Astronomy Community. Stargazing Network is sponsored by Cetus Technology at www.cetus.net.

stargazing.net -