Centaurus A (Patrick Dufour)

Celestial hemisphere: Southern · Constellation: Centaurus (Cen) · Contains: Centaurus A · NGC 5128

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Centaurus A

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Centaurus A

Centaurus A or NGC 5128 is a galaxy in the constellation of Centaurus. The images were taken during 10 nights and totaled 52 hours. This galaxy, also called NGC 5128, was first studied by the English astronomer James Dunlop in August 1826.

The celestial object is in the category of massive elliptical galaxies with, in its heart, a supermassive black hole. It is located about 12 million light years from Earth in the constellation Centaur.

Astrophysicists believe that its luminous nucleus, the strong radio emissions and the jet-like details of Centaurus A are produced by the central black hole, whose mass is approximately 100 million times that of the Sun.

This image highlights the elongated shape of the less luminous outer parts of the galaxy. The radiation that fills the majority of the image comes from the hundreds of billions of older and colder stars.

However, unlike most galaxies of the same type, the smooth shape of Centaurus A is disturbed by a large irregular band of dark matter which darkens the center of the galaxy.

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Description: Some enhancement on the Ha chanel

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Astroimaging from Chile
Astro-Québec

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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
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Extremely wide field
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
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
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Astrometry.net job	3419193
PixInsight job	n/a
PixInsight queue size	n/a
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Centaurus A

Centaurus A

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Image Index:

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Centaurus A

Centaurus A

Equipment

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Description

Comments

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Sky plot

Histogram

In these public groups

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