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PICTURE OF THE DAY

Equine beauty

Equine beauty

The Horsehead Nebula (B33) is the most famous dark nebula in the sky. It lies in the constellation Orion the Hunter. Its number, 33, comes from a catalog of such objects compiled by American astronomer Edward Emerson Barnard.

IMAGING BASICS see all »

ISON_Nov15_Peach

Catch Comet ISON with your camera

Be ready to photograph this special celestial visitor with these expert tips.
Gamma-Cygni-region

How to image the sky

Our astrophotography series will have you becoming an accomplished imager in no time.
Total solar eclipse

2010 Astroimaging Contest: Solar System category entrants

There were lots of Sun and Moon images, but the grand prize and category winners captured moments when the two come together in a total solar eclipse.
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Untangle the mysteries of our solar system and its moons with this free download.

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