Hemisphere:  Southern  ·  Constellation: Aquarius (Aqr)  ·  Contains:  Helix nebula  ·  NGC 7293  ·  NGC7293  ·  PK036-57.1
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Helix Nebula, 



    
        

            George C. Lutch
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Helix Nebula

Imaging telescopes or lenses: Celestron EdgeHD 11 Celestron 11" Edge HD

Imaging cameras: ZWO ASI071MC Pro

Mounts: Software Bisque Paramount MyT

Focal reducers: Celestron Hyperstar f/2 560mm

Software: The SkyX Pro The Sky X Pro  ·  Starkeeper.it Voyager

Filters: Optolong UV/ID 2" Filter

Accessory: Starizona Microtouch Autofocuser  ·  GoBox 2.0


Dates:Sept. 27, 2019

Frames: 30x100"

Integration: 0.8 hours

Avg. Moon age: 28.05 days

Avg. Moon phase: 2.45%


Astrometry.net job: 2949411

RA center: 22h 29' 37"

DEC center: -20° 50' 33"

Pixel scale: 4.770 arcsec/pixel

Orientation: -87.770 degrees

Field radius: 1.451 degrees


Resolution: 1824x1212

Locations: Thomsen Ranch, Forestburg, Texas, United States

Data source: Traveller

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 a planetary nebula nucleus or PNN, 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·s−1.[7]

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Helix Nebula, 



    
        

            George C. Lutch

In these public groups

The OSC Club (One Shot Camera)