Celestial hemisphere:  Southern  ·  Constellation: Aquarius (Aqr)  ·  Contains:  NGC 7009  ·  Saturn nebula
NGC 7009 - Saturn Nebula, dpbal67
NGC 7009 - Saturn Nebula
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NGC 7009 - Saturn Nebula

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Description

The Saturn Nebula or NGC 7009 is a planetary nebula in the constellation Aquarius. It appears as a greenish-yellowish hue in a small amateur telescope. It was discovered by William Herschel on September 7, 1782, using a telescope of his own design in the garden at his home in Datchet, England, and was one of his earliest discoveries in his sky survey. The nebula was originally a low-mass star that ejected its layers into space, forming the nebula. The central star is now a bright white dwarf star of apparent magnitude 11.5. The Saturn Nebula gets its name from its superficial resemblance to the planet Saturn with its rings nearly edge-on to the observer. It was so named by Lord Rosse in the 1840s, when telescopes had improved to the point that its Saturn-like shape could be discerned. William Henry Smyth said that the Saturn Nebula is one of Struve's nine "Rare Celestial Objects."

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NGC 7009 - Saturn Nebula, dpbal67