M 20 La Nébuleuse Trifide (Rudy Calteau)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: M 20 · NGC 6514 · Trifid Nebula

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M 20 La Nébuleuse Trifide

Revision title: M 20 Nébuleuse Trifide nouveau traitement.

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M 20 La Nébuleuse Trifide

Revision title: M 20 Nébuleuse Trifide nouveau traitement.

La nébuleuse M20, également connue sous le nom de nébuleuse Trifide, est une nébuleuse en émission et en réflexion située dans la constellation du Sagittaire. Elle doit son nom à ses caractéristiques distinctes qui semblent diviser sa forme en trois parties distinctes, d'où le terme "trifide". La nébuleuse M20 est un lieu de formation d'étoiles actif, avec des régions de gaz et de poussière où de nouvelles étoiles se forment. Elle est située à une distance d'environ 5 200 années-lumière de la Terre. La nébuleuse M20 est surnommée "nébuleuse Trifide" en raison de sa structure distincte qui semble diviser sa forme en trois parties distinctes. Cette division est visible en raison de la présence de bandes sombres de poussière qui traversent la nébuleuse, créant ainsi trois régions lumineuses et distinctes. Ces régions sont composées de gaz et de poussière, ainsi que de jeunes étoiles en formation. La combinaison de ces caractéristiques donne à la nébuleuse M20 son aspect trifide, d'où son surnom.

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Title: M 20 Nébuleuse Trifide nouveau traitement.

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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
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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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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.

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Astrometry.net job	9710321
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M 20 La Nébuleuse Trifide

Revision title: M 20 Nébuleuse Trifide nouveau traitement.

M 20 La Nébuleuse Trifide

Revision title: M 20 Nébuleuse Trifide nouveau traitement.

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M 20 La Nébuleuse Trifide

Revision title: M 20 Nébuleuse Trifide nouveau traitement.

M 20 La Nébuleuse Trifide

Revision title: M 20 Nébuleuse Trifide nouveau traitement.

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