Smartphone holder for Moon imaging

Moon

Expert Tips for Basic Lunar Imaging

It's easy to take high-quality images of the lunar disk.

People, Places, and Events

Memories of Jupiter's Bird Strike

Shoemaker-Levy 9's headline-making Jupiter impact in 1994 wasn't the only one of its kind - observations 15 years later showed such impacts might even be common.

NGC 2440

Deep Sky

A Collection of Bipolar Planetary Nebulae

Butterflies of the Milky Way await scrutiny with telescopes small and large.

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