M20 - Trifid Nebula (Los_Calvos)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: B85 · M 20 · NGC 6514 · Sh2-30 · Trifid Nebula

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M20 - Trifid Nebula

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M20 - Trifid Nebula

After an interruption due to the team's holidays we resume our publications and this time a great classic: M20.
M20, located in Sagittarius and therefore visible from both hemispheres, also called Trifid (or clover) Nebula presents itself as a flower in buds with 3 lobes. It is a region of stars formation.
It presents us with a nebulous part by emission (pink-red part) with the Hydrogen mission, a nebula part in reflection (blue) resulting from the reflection of starlight by the surrounding dust, dark parts of dense dust clouds that appear in bands that separate it into three lobes, and in the middle we find a triple star system whose third component is difficult to isolate.
It is located about 4600 Light-years away and is almost as large as the full moon but not visible to the naked eye.
We offer it in HaR-G-OIIIB mode as well as in HSORGB version (version A under astrobin) where we find that the weak external extensions are more discernible.

Original
Final
B

Please note: The following tables are updated every 24 hours.

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	Advanced success
Started	...
Astrometry.net job	4956146
PixInsight job	3CIJT7XKTY7QATH3TXGRDTWXX7BTJT0Q
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	18h02m23s.569
RA (top/left)	18h00m33s.210
RA (top/right)	18h04m10s.215
RA (bottom/right)	18h04m13s.495
RA (bottom/left)	18h00m37s.565

Dec (center)	-22°58′14″.19
Dec (top/left)	-23°22′39″.50
Dec (top/right)	-23°23′32″.90
Dec (bottom/right)	-22°33′43″.17
Dec (bottom/left)	-22°32′48″.50

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M20 - Trifid Nebula

M20 - Trifid Nebula

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Image Index:

Contribution Index (beta):

M20 - Trifid Nebula

M20 - Trifid Nebula

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Description

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