Rosette Nebula, NGC2339, In Monoceros (glend)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: NGC 2239 · NGC 2244 · NGC 2252 · Rosette nebula · The star 12Mon

Rosette Nebula, NGC2339, In Monoceros, glend

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Rosette Nebula, NGC2339, In Monoceros

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Rosette Nebula, NGC2339, In Monoceros

The Rosette Nebula, designated NGC 2339, is a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter.

The cluster and nebula lie at a distance of some 5,000 light-years from Earth and measure roughly 130 light years in diameter. The radiation from the young stars excites the atoms in the nebula, causing them to emit radiation themselves producing the emission nebula we see. The mass of the nebula is estimated to be around 10,000 solar masses.

Image consists of 20x300s subs for each narrowband channel (Ha, Oiii, and Sii). A total of 5 hours of data. A luminance layer was added using the Ha data, with opacity dialed back to 17%, Camera was the ASI1600MM-C, scope as a TS80 Photoline APO reduced to f5.5 (440mm fl). Mount is CGX. This combination produces a field of view that allows all of the Rosette to be captures in the frame.

Processing was completed with DSS, and Photoshop CC.

The pallet is SHO, with the green saturation dialed back substantially. This is a very bright Ha area, and it has a tendancy to over power the other channels.

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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	1816443
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Rosette Nebula, NGC2339, In Monoceros

Rosette Nebula, NGC2339, In Monoceros

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Image Index:

Contribution Index (beta):

Rosette Nebula, NGC2339, In Monoceros

Rosette Nebula, NGC2339, In Monoceros

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