Sh2-119 Mosaic (Jeff Reitzel)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 68 A Cyg · LBN 383 · LBN 389 · LBN 390 · LBN 391 · LBN 393 · LBN 400 · LBN 401 · LBN 402 · LBN 404 · LDN 942 · LDN 943 · LDN 944 · LDN 946 · LDN 947 · LDN 948 · LDN 949 · LDN 951 · LDN 952 · LDN 953 · NGC 7044 · PK087-03.1 · Sh2-119 · The star 68 Cyg

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Sh2-119 Mosaic

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Sh2-119 Mosaic

Sharpless 2-119, known as The Clamshell Nebula, is a large complex of emission nebulosity located approximately 2200 light-years away in the constellation Cygnus. It is often overlooked being just a few degrees east of the more famous North American Nebula (NGC 7000). The bright star near the center, 68 Cygni, is one of the primary stars responsible for ionizing this large complex. This beautiful area is full of bright patches and dark lanes each with their own LBN and LDN designations. It also contains a small planetary nebula, PK87-3.1, just below and to the left of 68 Cygni.

This 2-panel mosaic was actually a surprise for me. I had moved on from this project in favor of a different project but left it programmed into Voyager Advanced software. While clearing out old data from last year I discovered that Voyager Advanced had continued to gather data on this during idle time from the other projects. Nice Surprise!

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

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	9054643
PixInsight job	Z7BI0C7XNV5GYFY87MZIK5618V9M0ZVH
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h19m26s.92
RA (top/left)	21h26m15s.88
RA (top/right)	21h26m34s.66
RA (bottom/right)	21h12m16s.20
RA (bottom/left)	21h12m41s.56

Dec (center)	+43°37′47″.7
Dec (top/left)	+42°12′47″.5
Dec (top/right)	+45°02′27″.1
Dec (bottom/right)	+45°01′55″.3
Dec (bottom/left)	+42°12′16″.7

Image Index:

Contribution Index (beta):

Sh2-119 Mosaic

Sh2-119 Mosaic

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Image Index:

Contribution Index (beta):

Sh2-119 Mosaic

Sh2-119 Mosaic

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Description

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Sky plot

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