NGC 7293 Helix Nebula (Dale A Chamberlain)

Celestial hemisphere: Southern · Constellation: Aquarius (Aqr) · Contains: Helix Nebula · NGC 7293 · PK036-57.1

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NGC 7293 Helix Nebula

Link: https://chamberlainobservatory.com/index.php/welcome-to-the-chamberlain-observatory-website/photo-gallery/ngc-7293-helix-nebula/

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NGC 7293 Helix Nebula

Link: https://chamberlainobservatory.com/index.php/welcome-to-the-chamberlain-observatory-website/photo-gallery/ngc-7293-helix-nebula/

The Helix Nebula, also known as NGC 7293, 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 is about 650 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".

A planetary nebula is 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, 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.

Narrowband imaging
Central USA
Ritchey Chretien telescopes GSO Family
Cloudy Nights
ZWO ASI1600MM/QHY163M

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

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	3405344
PixInsight job	FYP7JLFKFP2HMUWW9TM6VESBEWO9ULRY
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	22h29m33s.461
RA (top/left)	22h28m26s.286
RA (top/right)	22h30m41s.147
RA (bottom/right)	22h30m40s.307
RA (bottom/left)	22h28m25s.857

Dec (center)	-20°51′40″.42
Dec (top/left)	-21°02′54″.38
Dec (top/right)	-21°02′40″.58
Dec (bottom/right)	-20°40′26″.59
Dec (bottom/left)	-20°40′37″.95

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NGC 7293 Helix Nebula

NGC 7293 Helix Nebula

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Contribution Index (beta):

NGC 7293 Helix Nebula

NGC 7293 Helix Nebula

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