NGC 5128, Centaurus A (Ruben Barbosa)

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

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NGC 5128, Centaurus A

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NGC 5128, Centaurus A

* Acquisition: iTelescope-Portugal.

* Processing: Ruben Barbosa.

* Distance: 12 Mly.

Centaurus A is a species of galactic fossil. The light used to produce this image was emitted more than 12 million years ago when mammals dominated the earth and humanity had not yet taken its first steps.

Centaurus A is considered an object of interest essentially for 2 reasons:

• It is quite bright what makes it ideal for astrophotography and

• Is the radiogalaxy closest to our planet, reason why its active nucleus has been the object of extensive studies.

Looking at the image, we find that Centaurus A is a peculiar galaxy that does not appear to be ellite nor spiral. The explanation is given by computer simulations that show that Centaurus A was a large elitist galaxy that collided and merged with a smaller spiral galaxy.

In the image it is possible to observe:

• Regions formed by blue clusters containing young stars,

• Imposing dark bands of dust that hide young stars whose origin may be related to what is left of the center of the molten galaxy and

• A central glow caused by hundreds of billions of older and cooler stars.

2. Galaxies

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	1903706
PixInsight job	JT74RPYFW60ADJRZHGCP0U190B9BXFS3
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h25m29s.601
RA (top/left)	13h27m17s.880
RA (top/right)	13h27m24s.476
RA (bottom/right)	13h23m43s.404
RA (bottom/left)	13h23m33s.420

Dec (center)	-43°01′08″.57
Dec (top/left)	-43°22′16″.54
Dec (top/right)	-42°41′30″.57
Dec (bottom/right)	-42°39′54″.21
Dec (bottom/left)	-43°20′39″.49

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NGC 5128, Centaurus A

NGC 5128, Centaurus A

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NGC 5128, Centaurus A

NGC 5128, Centaurus A

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