Rosette Nebula NGC 2237 (cmk)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: NGC 2236 · NGC 2237 · NGC 2238 · NGC 2239 · NGC 2246 · NGC 2252 · Rosette A · Rosette B · Rosette Nebula · The star 12 Mon

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Rosette Nebula NGC 2237

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Rosette Nebula NGC 2237

After a long period of winter cloud cover, we finally managed to catch a piece of sky.
The Rosette Nebula (NGC 2237) - an emission nebula located in the constellation of Unicorn.
NGC 2237 is located approximately 5,200 light-years from Earth and spans an area of 100 light-years.
The name Rosette was given to this nebula because of its shape similar to a rose flower. Inside the nebula is the open cluster NGC 2244, which consists of bright and young stars. These stars formed from nebular material about 4 million years ago. Stellar winds caused by young stars blew a hole in the central part of the nebula, which is isolated by layers of dust and hot gas. The glow of the Rosette Nebula is the result of ultraviolet radiation caused by the cluster's hot stars.

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Distribution of astrophotographers

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	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
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Star trails
Northern lights
Noctilucent clouds
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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
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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	Basic success
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Astrometry.net job	9238331
PixInsight job	n/a
PixInsight queue size	n/a
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Rosette Nebula NGC 2237

Rosette Nebula NGC 2237

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Rosette Nebula NGC 2237

Rosette Nebula NGC 2237

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