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Comet C/2011 L4 (PANSTARRS)

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Comet C/2012 S1 (ISON)

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Web Extras

The many shapes of planetary nebulae

Browse a sample of these interesting sky-targets, and then seek them out with your own telescope.
By David J. Eicher
Published: November 23, 2009
January 2010  gallery-Bug Nebula
The Bug Nebula, NGC 6302, imaged with the Hubble Space Telescope.
Photo by NASA/ESA/Hubble SM4 ERO Team
This gallery provides a sample of wonderfully shaped planetary nebulae and offers suggestions for some nice ones you can observe with a backyard telescope.
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