Rosette Nebula (Astro-TAPAS)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: NGC 2237 · NGC 2238 · NGC 2239 · NGC 2246 · Rosette A · Rosette B · Rosette Nebula · The star 12 Mon

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Rosette Nebula

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Rosette Nebula

After an interruption of image and sound we are back with a classic:The Rosette (Caldwell 49) The Rosetta Nebula, also known as Caldwell 49, is a vast HII region located some 4700 light-years from the solar system towards the constellation Unicorn It spans 130 light-years in its largest dimension. These figures apply to the entire nebula and not to NGC 2237 which is only a part of it. The mass of the Rosette Nebula is estimated to be about 10,000 times the mass of the Sun.The Rosetta Nebula is an active nursery of stars relatively close to us. As this cloud complex is very large and spectacular to observe, several entries of the NGC catalog are there.· NGC 2237: the western part of the nebula, although this entry is used for the entire nebula· NGC 2238, NGC 2239, NGC 2245 and NGC 2246 other parts of the nebula,· and NGC 2244 (=NGC 2239): a very young open cluster of stars at the center of the nebula.The age of this cluster is about 8 million years. It is the ultraviolet radiation of the stars in this cluster that ionizes the hydrogen of the nebula (HII region).

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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	7312470
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Rosette Nebula

Rosette Nebula

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Image Index:

Contribution Index (beta):

Rosette Nebula

Rosette Nebula

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Description

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