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Ephemerides & Astronomical Data

Phases of the Moon

The Seasons

Rising and Setting Times

Eclipses of the Sun and Moon

Artificial Satellites

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

Solar Activity and Aurora Borealis

Light Pollution

Is your favorite observing site really dark?


Will the stars be visible tonight?


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Credits.  Last Modified: 2007-08-31