A Crescent and a Soap Bubble, NGC 6888 (Joe Linington)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · NGC 6888

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A Crescent and a Soap Bubble, NGC 6888

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A Crescent and a Soap Bubble, NGC 6888

From Wikipedia, The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It was discovered by William Herschel in 1792. It is formed by the fast stellar wind from the Wolf-Rayet star WR 136 (HD 192163) colliding with and energizing the slower moving wind ejected by the star when it became a red giant around 250,000 to 400,000 years ago. The result of the collision is a shell and two shock waves, one moving outward and one moving inward.

The Soap Bubble Nebula (also known as PN G075.5+01.7) is a planetary nebula in the constellation Cygnus, near the Crescent Nebula. It was discovered by amateur astronomer Dave Jurasevich using an Astro-Physics 160 mm refractor telescope with which he imaged the nebula on June 19, 2007 and on July 6, 2008.

Taken over 4, rare clear nights in July. This is my first attempt at an HOO image since switching to a Mono camera.

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A Crescent and a Soap Bubble, NGC 6888

A Crescent and a Soap Bubble, NGC 6888

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A Crescent and a Soap Bubble, NGC 6888

A Crescent and a Soap Bubble, NGC 6888

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