Messier 17 (Bruce Donzanti)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: Checkmark Nebula · HD168607 · HD168625 · Lobster Nebula · M 17 · NGC 6618 · Sh2-45 · Swan Nebula · omega Nebula

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Messier 17

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Messier 17

A rare image from central Florida during the summer. I found a couple more hours to at least get a decent NB image.

Interesting facts about Messier 17 (NGC6618):

Has a plethora of nicknames: Omega, Swan, Checkmark, Lobster, and Horseshoe nebula
Some 6,000 light years from Earth, it spans some 15 light-years in diameter.
The cloud of interstellar matter, of which this nebula is a part of, is roughly 40 light-years in diameter and has a mass of 30,000 solar masses.
The total mass of M17 is estimated to be 800 solar masses.
It is considered one of the brightest and most massive star-forming regions of our galaxy.

Astrophotography from home
Images from the EdgeHD Series
Narrowband imaging
Imaged with N.I.N.A.
Florida / Georgia Imagers
Suburban Astrophotography
Schmidt-Cassegrain Telescope (SCT) Imagers

A Collection of Recent & Favorite Images
C11" EdgeHD

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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
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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	...
PixInsight job	E6L4JQ5ZH2FEFIW5L9ZSOEXH0PVNPVQK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h20m56s.430
RA (top/left)	18h21m54s.775
RA (top/right)	18h20m41s.730
RA (bottom/right)	18h19m58s.284
RA (bottom/left)	18h21m11s.910

Dec (center)	-16°11′58″.33
Dec (top/left)	-16°11′47″.30
Dec (top/right)	-15°58′28″.47
Dec (bottom/right)	-16°12′12″.33
Dec (bottom/left)	-16°25′28″.64

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