M20 Trifid Nebula in RGB (gmvtex)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: M 20 · M 21 · NGC 6514 · NGC 6531 · Trifid Nebula

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M20 Trifid Nebula in RGB

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M20 Trifid Nebula in RGB

The Trifid Nebula (M20) is captured here using RGB filters with a cooled monochrome astro camera. The frames were captured over several nights from late June to late July 2022. M20 is relatively low in the sky for my location and only presented as a target for a relatively short time each evening before leaving my field of view after crossing the Meridian and into the trees in the South. The only thing out of the norm for processing was that I took advantage of a process that I purchased and placed in PixInsight called NoiseXterminator which really seems to work well on a linear image after first masking the highlights. I used an APS-C sized sensor (ZWO ASI 2600mm) to provide extra reach and to isolate the target, but was a little surprised at how rich the starfield still was in this narrower field. I chose not to subdue the starfield significantly by taking the background to a deeper black, but rather chose to just let the starfield and the DSO co-exist. My first attempt at capturing this target.

NOVAC

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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.
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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	6051532
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M20 Trifid Nebula in RGB

M20 Trifid Nebula in RGB

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Image Index:

Contribution Index (beta):

M20 Trifid Nebula in RGB

M20 Trifid Nebula in RGB

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Description

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