The Helix Nebula (NGC 7293 / C63)

NGC 7293 - The Helix Nebula

NGC 7293 (Caldwell 63), the Helix Nebula, is a planetary nebula in the constellation Aquarius located at a distance of approximately 700 light years.     The central star, which is nearing the end of its stellar evolution, expelled its outer shell of gas forming the nebula.     The remainder of the star's core will become a white dwarf star.    More information about this nebula can be found at SEDS - The Helix Nebula and Wikipedia.

 This image is a 234-minute unfiltered image from 2 and 19 October 2008 combined with red, green and blue-filtered images (50, 50, 62-minutes) from 4 October 2008.       The image was obtained through a William Optics FLT110 4.3" f/7 refractor with an SXV-H9 CCD camera.    

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