Celestial hemisphere:  Southern  ·  Constellation: Aquarius (Aqr)  ·  Contains:  Helix nebula  ·  NGC 7293
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NGC 7293 Helix Nebula, Herwig Peresson
NGC 7293 Helix Nebula
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NGC 7293 Helix Nebula

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NGC 7293 Helix Nebula, Herwig Peresson
NGC 7293 Helix Nebula
Powered byPixInsight

NGC 7293 Helix Nebula

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Description

Taken on the island of La Palma during my vacation in October 2015.

The Helix Nebula, also known as The Helix, NGC 7293, is a large planetary nebula located in the constellation Aquarius. This object is one of the closest to the Earth of all the bright planetary nebulae and is an example of a 'planetary' formed at the end of a star's evolution. The estimated distance is about 700 light-years and spanning about 2.5 light-years. The remnant central stellar core is destined to become a white dwarf star. The observed glow of the central star is so energetic that it causes the previously expelled gases to brightly fluoresce. Currently, the age is estimated to be around 10.600 years, based solely upon a measured expansion rate of 31 km/s. (after Wikipedia)

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NGC 7293 Helix Nebula, Herwig Peresson