WR 134 (Andrew Barton)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: HD191046 · HD191456 · HD191493 · HD191494 · HD191611 · HD191765 · HD191783 · HD191917 · HD192103 · HD227693 · HD227709 · HD227710 · HD227721 · HD227820 · HD227826 · HD227836 · HD227875 · HD227876 · HD227883 · HD227892 · HD227893 · HD227903 · HD227914 · HD227915 · HD227916 · HD227932 · HD227933 · HD227940 · HD227960 · HD227969 · And 50 more.

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WR 134

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WR 134

WR 134 is a variable Wolf-Rayet (WR) star in Cygnus located about 6000 light years from earth. In the portrait above, it is the bright star near the center of the blue ring and is identified as HD191765 in the roll-over annotations. Intense radiation and stellar winds from WR 134 have carved a bubble in the surrounding gas and dust resulting in the unique ring structure seen here.

I imaged WR 134 in narrow band with a focus on the OIII data that makes up the blue ring structure. My goals for this image was to show the entire ring. Ha and SII create a nice contrasting background of hydrogen emission nebula. I used the following mapping to approximate the natural colors of the various emissions. The specific weighting helped me to maximize contrast.

- Red: 0.5 * Ha + 0.5 * SII
- Green: 0.25 * SII + 0.75 * OIII
- Blue: OIII

The stars come from RGB data.

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
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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	4B51FZGPN2DJ8CU4MP9G0SMNWNAV1D5R
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h10m13s.254
RA (top/left)	20h08m27s.651
RA (top/right)	20h06m17s.394
RA (bottom/right)	20h11m56s.947
RA (bottom/left)	20h14m09s.206

Dec (center)	+36°11′01″.82
Dec (top/left)	+36°53′38″.94
Dec (top/right)	+36°09′44″.51
Dec (bottom/right)	+35°28′18″.60
Dec (bottom/left)	+36°11′49″.58

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