M20 - The Trifid Nebula in Sagittarius (CrestwoodSky)

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

M20 - The Trifid Nebula in Sagittarius, CrestwoodSky

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M20 - The Trifid Nebula in Sagittarius

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M20 - The Trifid Nebula in Sagittarius

The Trifid Nebula is one of my favorite deep sky objects. I had hoped to get hours of exposure time on it this month, but the weather in the New York City area has been unkind to astro-imaging, so I will have to take what I can get.

This image was taken with an ASI1600mm Pro through an Explore Scientific 127mm APO with a 0.8x focal reducer. The image is composed as follows:

R: 24 x 120s

G: 10 x 120s

B: 17 x 120s

I had hoped to obtain Luminance data, but lousy weather and a line of tall oak trees have so far frustrated that goal. Hopefully, June will bring better weather and I can return to this object.

Original
Final
C

C

Description: Reprocessed in PixInsight, which provided a better color balance. Then tweaked in PhotoShop.

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Cloudy Nights
Imaged with APT

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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	3639159
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M20 - The Trifid Nebula in Sagittarius

M20 - The Trifid Nebula in Sagittarius

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Image Index:

Contribution Index (beta):

M20 - The Trifid Nebula in Sagittarius

M20 - The Trifid Nebula in Sagittarius

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Sky plot

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