The Seagull - IC 2177 (Michael J. Mangieri)

Celestial hemisphere: Southern · Constellation: Monoceros (Mon) · Contains: IC 2177 · LBN 1027 · LBN 1033 · LBN 1035 · NGC 2327 · NGC 2335 · NGC 2343 · PK223-02.1 · Sh2-292 · Sh2-296 · VdB91 · VdB92 · VdB95

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The Seagull - IC 2177

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The Seagull - IC 2177

The Seagull Nebula, IC 2177, is a large cloud of dust and gas that spreads across a distance of over 100 light years. It gets its name from the appearance of a seagull in flight. IC 2177 is located about 3700 light-years away from Earth on the border between the constellations of Monoceros (The Unicorn) and Canis Major (The Great Dog).

As typical of nebulae like the Seagull, the complex array of gas and dust that forms the head of the seagull glows brightly in the sky due to the strong ultraviolet radiation coming mostly from one brilliant young star — HD 53367 — taken to be the seagull’s eye. The radiation from the young stars causes the surrounding hydrogen gas to glow with a rich red color (Ha). Additional radiation from numerous hot blue-white stars is also being scattered off the dust particles in the nebula to create a contrasting blue haze in some parts of the picture which is picked up as ionized oxygen (O3).

This image, although completed in January and February of 2021, was only just now processed (for the fourth time) before I was able to get it just right. I learned a heck of a lot more about PixInsight during this 'adventure in processing', which I guess is a good side effect of the time spent. RGB stars were planned to be included but those flat sets were corrupted somehow and couldn't be used. So the 'slightly modified' NB stars were used. Colors are not correct, but the image is satisfying.

With my new WO ZS61 waiting for clear skies, I'm sure to take this object for at least one more spin to see what a wider field can do.

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
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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
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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	5362561
PixInsight job	0VFYF2Y4PR8PJ8QZ5W15V5Z7GSBXSG2S
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h05m49s.29
RA (top/left)	07h03m08s.60
RA (top/right)	07h03m20s.25
RA (bottom/right)	07h08m30s.93
RA (bottom/left)	07h08m17s.56

Dec (center)	-10°45′16″.10
Dec (top/left)	-09°55′22″.6
Dec (top/right)	-11°37′28″.7
Dec (bottom/right)	-11°35′07″.1
Dec (bottom/left)	-09°53′00″.7

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The Seagull - IC 2177

The Seagull - IC 2177

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The Seagull - IC 2177

The Seagull - IC 2177

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