M17 / NGC 6618 - The Omega Nebula (Richard McInnis)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: Checkmark Nebula · LBN 60 · Lobster Nebula · M 17 · NGC 6618 · Sh2-45 · Swan Nebula · omega Nebula

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M17 / NGC 6618 - The Omega Nebula

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M17 / NGC 6618 - The Omega Nebula

This is the Omega Nebula, also known as the Swan Nebula, Checkmark Nebula, Lobster Nebula, and the Horseshoe Nebula is an H II region in the constellation Sagittarius. It is catalogued as M17 / NGC 6618 and is located around 6,000 lights years away.

Celestron 11” / 14” Edge HD with .7x reducer at F/7
Celestron OAG and a 174mm guide camera
Ioptron CEM 120 mount
ZWO 2600MM Pro cooled to -10° / gain 100.
ZWO ASIAIR pro
ZWO EAF focuser
Chroma / Antlia 3nm filters with ZWO 7x36mm EFW
Processed in Pixinsight.
Shot from my backyard, bortle 8 (July 2023).

ZWO ASI2600MM Pro
Light Polluted skies
ZWO ASIAIR PRO USERS
Cloudy Nights
Images from the EdgeHD Series
/r/astrophotography
Sony ICX814
Beginners AP
Central USA
Schmidt-Cassegrain Telescope (SCT) Imagers
Narrowband imaging
AstroBin Platform open discussions community forum
PixInsight Addicts
Nebula Photos Monthly Challenge
Suburban Astrophotography

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
Artificial satellite

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	...
PixInsight job	S9ANGK9I1FV5KSM4K28KV8DGLUOH1JDF
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h21m00s.910
RA (top/left)	18h21m39s.574
RA (top/right)	18h20m23s.156
RA (bottom/right)	18h20m22s.420
RA (bottom/left)	18h21m38s.398

Dec (center)	-16°09′39″.55
Dec (top/left)	-16°21′06″.74
Dec (top/right)	-16°21′15″.99
Dec (bottom/right)	-15°58′15″.37
Dec (bottom/left)	-15°58′06″.00

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M17 / NGC 6618 - The Omega Nebula

M17 / NGC 6618 - The Omega Nebula

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M17 / NGC 6618 - The Omega Nebula

M17 / NGC 6618 - The Omega Nebula

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