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Contains:  Helix nebula, NGC 7293
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Helix Nebula (Eye of God), 



    
        

            Miles Zhou
Helix Nebula (Eye of God)
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Helix Nebula (Eye of God)

Technical card


Dates:Sept. 13, 2018Nov. 1, 2018

Frames:
Astrodon 5nm Halpha: 30x1800" -25C bin 1x1
Astrodon RGB: 59x900" -25C bin 1x1

Integration: 29.8 hours

Avg. Moon age: 13.53 days

Avg. Moon phase: 29.20%


Basic astrometry details

Astrometry.net job: 3263659

RA center: 22h 29' 46"

DEC center: -20° 48' 39"

Pixel scale: 1.056 arcsec/pixel

Orientation: 271.185 degrees

Field radius: 0.613 degrees


Resolution: 3463x2348

Locations: Deep Sky West, Rowe, New Mexico, United States

Data source: Amateur hosting facility

Remote source: DeepSkyWest

Description

The Helix Nebula is an example of a planetary nebula, formed by an intermediate to low-mass star, which sheds its outer layers near the end of its evolution. Gases from the star in the surrounding space appear, from our vantage point, as if we are looking down a helix structure. The remnant central stellar core, known as the central star (CS) of the planetary nebula, 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.

The nebula is in the constellation of Aquarius, and lies about 650 light-years away, spanning about 0.8 parsecs (2.5 light-years). Its age is estimated to be 10600+2300−1200 years, based on its measured expansion rate of 31 km per second.

This is a simple RGB composition with H alpha as an enhancement of the luminosity.

Comments

Author

mileszhou
Miles Zhou
License: None (All rights reserved)
560
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Revisions

  • Final
    Helix Nebula (Eye of God), 



    
        

            Miles Zhou
    Original
  • Helix Nebula (Eye of God), 



    
        

            Miles Zhou
    B

B

Description: Sharpening

Sky plot

Sky plot

Histogram

Helix Nebula (Eye of God), 



    
        

            Miles Zhou

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