Cygnus Loop (Vincent Savioz)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 52 Cyg · BW Vul · IC 1340 · NGC 6960 · NGC 6974 · NGC 6979 · NGC 6992 · NGC 6995 · Sh2-103 · T Vul · The star 52Cyg · Veil Nebula

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Cygnus Loop

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Cygnus Loop

The Cygnus Loop (radio source W78, or Sharpless 103) is a large supernova remnant (SNR) in the constellation Cygnus, an emission nebula measuring nearly 3° across. Some arcs of the loop, known collectively as the Veil Nebula or Cirrus Nebula, emit in the visible electromagnetic range. Radio, infrared, and X-ray images reveal the complete loop.

The visual portion of the Cygnus Loop is known as the Veil Nebula, also called the Cirrus Nebula or the Filamentary Nebula. Several components have separate names and identifiers, including the "Western Veil" or "Witch's Broom", the "Eastern Veil", and Pickering's Triangle.

Source: Wikipedia

In 2017, I tried to image the Veil Nebula with my old scope but unfortunately, the session was a complete fail (clouds, bad polar alignment and guiding on a hot pixel…). This summer, I decided to take my revenge!

Here’s a 9-panel mosaic of this very interesting region of the Cygnus constellation. I find this object quite original and beautiful, even though it is often captured. The oxygen and hydrogen filaments are sharp and very well defined.

This image was taken from April to August.

Please enjoy this 105MPx mosaic at its maximum definition! Critics and suggestions are welcome!

Deep Sky Mosaics
Imagers of Switzerland
The refractors!
ZWO ASI1600MM/QHY163M
Narrowband imaging

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

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	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
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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
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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	3785123
PixInsight job	M9S2LYH1XTB7J4HPMHMAJY8HB4UJAWS6
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	20h51m16s.29
RA (top/left)	20h58m52s.52
RA (top/right)	20h59m03s.16
RA (bottom/right)	20h43m18s.49
RA (bottom/left)	20h43m50s.83

Dec (center)	+30°15′38″.9
Dec (top/left)	+28°03′50″.2
Dec (top/right)	+32°27′37″.5
Dec (bottom/right)	+32°25′51″.2
Dec (bottom/left)	+28°02′08″.6

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Cygnus Loop

Cygnus Loop

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Cygnus Loop

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