NGC7293, The Helix Nebula (Chris Plonski)

Celestial hemisphere: Southern · Constellation: Aquarius (Aqr) · Contains: Helix Nebula · NGC 7293

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NGC7293, The Helix Nebula

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NGC7293, The Helix Nebula

NGC7293 is also known as the Helix Nebula or the Eye of God or also the Eye of Sauron. It is a planetary nebula similar to the Ring nebula and the Dumbbell Nebula, but the closest of this type of nebula to Earth at roughly 655 light years away. It's located in the constellation of Aquarius and appears relatively low in the sky in the northern hemisphere. It has what are referred to as "cometary knots" that originate in a core of neutral molecular gas and protrude radially away from the central star. Each knot is roughly the size of our solar system. Planetary nebulae form when an intermediate or small sized star sheds its outer atmosphere near the end of its life. The central star which is destined to become a white dwarf causes the outer shell of expanding gasses to fluoresce with the rich colors seen here.

Original
B
Final
C

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	Distinct awarded users	Total awarded images
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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	8361109
PixInsight job	AZWVV85B0YRJLF4QPUYTPT8PUH7IVSHT
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h29m39s.558
RA (top/left)	22h30m47s.522
RA (top/right)	22h30m52s.160
RA (bottom/right)	22h28m31s.941
RA (bottom/left)	22h28m26s.700

Dec (center)	-20°50′11″.69
Dec (top/left)	-21°15′07″.74
Dec (top/right)	-20°25′58″.94
Dec (bottom/right)	-20°25′13″.30
Dec (bottom/left)	-21°14′22″.80

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NGC7293, The Helix Nebula

NGC7293, The Helix Nebula

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Contribution Index (beta):

NGC7293, The Helix Nebula

NGC7293, The Helix Nebula

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