NGC 7293 - 2018 (Gary Imm)

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

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NGC 7293 - 2018

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NGC 7293 - 2018

This object is a planetary nebula located only 650 light years away in the constellation of Aquarius. This large planetary nebula, also known as the Eye of God, is one of the closest to Earth of all the bright planetary nebulae. Its apparent size is about half the diameter of the full moon, with an actual diameter of about 2.5 light-years.

Planetary nebula are intermediate sized stars, like our sun, which shed and illuminate their outer layers of gas near the end of their life. In this nebula, gases from the star appear in our apparent view as if we are looking down a helix structure. The remaining small central bluish stellar core is destined to become a white dwarf star.

The Helix Nebula was the first planetary nebula discovered to contain cometary knots, which are gaseous knots mysterious in origin and function. The knots look tiny but each are larger than our solar system. Some of these knots are visible in the image as tiny puffs of white clouds along the outer edge of the bluish core.

In this narrowband image, areas of hydrogen are in red and areas of oxygen are in blue.

Narrowband imaging
The refractors!
Cloudy Nights
ZWO ASI1600MM/QHY163M

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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
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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
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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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	2210854
PixInsight job	PB3VBZT77EFHKPDZJXOCY5OJ0W05EUWE
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	22h29m38s.642
RA (top/left)	22h28m07s.138
RA (top/right)	22h31m03s.430
RA (bottom/right)	22h31m09s.963
RA (bottom/left)	22h28m14s.598

Dec (center)	-20°50′13″.80
Dec (top/left)	-21°02′48″.10
Dec (top/right)	-21°05′17″.92
Dec (bottom/right)	-20°37′34″.61
Dec (bottom/left)	-20°35′04″.65

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NGC 7293 - 2018

NGC 7293 - 2018

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NGC 7293 - 2018

NGC 7293 - 2018

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