The Helix Nebula

The Helix Nebula
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The Helix Nebula

The Helix Nebula (also known as NGC 7293 or Caldwell 63) is a planetary nebula located in the constellation Aquarius. Discovered by Karl Ludwig Harding, probably before 1824, this object is one of the closest to the Earth of all the bright planetary nebulae. The distance, measured by the Gaia mission, is 655±13 light-years. It is similar in appearance to the Cat's Eye Nebula and the Ring Nebula, whose size, age, and physical characteristics are similar to the Dumbbell Nebula, varying only in its relative proximity and the appearance from the equatorial viewing angle. The Helix Nebula has sometimes been referred to as the "Eye of God" in pop culture, as well as the "Eye of Sauron".

SHO colour palette from narrowband data with LRGB stars.
SPECIFICATIONS
Telescope ..........................................................................................................................................................................................................................
Telescope
Planewave CDK24 Chi-1
Camera ..........................................................................................................................................................................................................................
Camera
FLI PL 9000
Location ..........................................................................................................................................................................................................................
Location
El Sauce Observatory, Rio Hurtado, Chile
Date of observation ..........................................................................................................................................................................................................................
Date of observation
Nov 2020 - Sept 2022
Filters ..........................................................................................................................................................................................................................
Filters
Astrodon SHOLRGB
Processing ..........................................................................................................................................................................................................................
Processing
PixInsight, RC Astro Tools, Photoshop
Credits ..........................................................................................................................................................................................................................
Credits
Data: Telescope Live, Processing: Jonathan Lodge
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