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Tools for sky observation

Astronomy resources on the Web
Photo: Espace pour la vie (Planétarium de Montréal)
Astronomy resources

The seasons

Consult the Web-based server from the U.S. Naval Observatory (Washington, D.C.)

Rising and setting times of the Sun and Moon

Eclipses of the Sun and Moon

The NASA/Goddard Space Flight Center eclipse website is arguably THE reference about eclipses. Contains maps and detailed predictions.

Artificial satellites

Where and when to look to see the International Space Station (ISS), Iridium satellite flares, etc.

Solar activity and aurora borealis

Light pollution

Is your favourite observing site really dark?


Will the stars be visible tonight?

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