WR 134 (Frank Iwaszkiewicz)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg)

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WR 134

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WR 134

Wolf-Rayet stars are very hot, mass-rich and bright stars. Massive Wolf-Rayet stars have burned through their nuclear fuel at a prodigious rate and end this final phase of massive star evolution in a spectacular supernova explosion. They are shedding their outer envelopes in powerful stellar winds. At the same time their radiation is ionizing the gas and makes it glow. These beautiful figures as depicted above consist mostly of hydrogen and oxygen.Another example is the Crescent Nebula NGC 6888,also located in the constellation of Cygnus. The spectacle in the above picture is the bright, pink star at the centre of the frame (chain of 4 stars), accompanied by two blueish stars above and beneath. These stars are not related to the nebula. A closer look reveals that the arc is not only blue but pink as well. This indicates that it consists of oxygen and hydrogen gas. Also the background shows the veils of ionized hydrogen, omnipresent in the constellation of cygnus.

Distance estimates put WR 134 about 6,000 light-years away, making the frame over 200 light-years across. Wolf-Rayet stars conclude their lives in spectacular supernovae. The stellar winds and final supernovae enrich the interstellar material with heavy elements to be incorporated in future generations of stars.

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	Basic success
Started	...
Astrometry.net job	1304641
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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WR 134

WR 134

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WR 134

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