NGC 7009 - Saturn Nebula (starlord)

Celestial hemisphere: Southern · Constellation: Aquarius (Aqr) · Contains: NGC 7009 · Saturn nebula

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NGC 7009 - Saturn Nebula

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NGC 7009 - Saturn Nebula

Description

The Saturn Nebula is a planetary nebula in the constellation of Aquarius, about 4-5,000 light years away. Its name is derived from its unusual shape, which reminds one of the beautiful, ringed planet Saturn.

The complex nebula contains many different features, including a halo, jet-like stream, multiple shells, and ansae (Latin for "handles"). These features are annotated in the image.

The central star is a very hot, low-mass white dwarf star.

The Saturn Nebula was the first planetary nebula where dust distribution was mapped in detail. This study was carried out by the ESO using the Multi Unit Spectroscopic Explorer (MUSE) on the Very Large Telescope (VLT).

The study discovered that while dust is distributed throughout the nebula, there is a significant drop in the amount of dust at the rim of the inner shell (which marks an expanding shock wave). It appears that the dust is being destroyed in this region.

Processing

The RGB channels were enhanced by blending Ha data into the L and R channels, and Oiii data into the G and B channels. This helped bring out the ansae more clearly and also resulted in better definition of the inner shell.

Original
Final
B

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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
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	Basic success
Started	...
Astrometry.net job	2851255
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 7009 - Saturn Nebula

NGC 7009 - Saturn Nebula

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Image Index:

Contribution Index (beta):

NGC 7009 - Saturn Nebula

NGC 7009 - Saturn Nebula

Equipment

Acquisition details

Description

Comments

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