NGC 5128 (Alberto Tomatis)

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

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NGC 5128

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NGC 5128

NGC 5128

Costellazione del Centauro

NGC 5128, nota anche come Centaurus A, è una galassia peculiare nella costellazione del Centauro.

Appartiene alla classe intermedia tra le galassie ellittiche e quelle spirali, di tipo lenticolare; è una galassia gigante appartenente al gruppo di M83, con una distanza pari a 11 milioni di anni-luce dalla Via Lattea. È visibile anche con un binocolo, ma appare come una macchia chiara senza particolari attrattive; con un telescopio di 200mm di apertura e nelle foto a lunga esposizione appare la sua caratteristica più notevole, ossia la presenza di una larga banda scura che divide la galassia in due parti: si pensa possa trattarsi della conseguenza di una fusione con qualche sua galassia satellite. Il centro di NGC 5128 è una delle più forti radiosorgenti conosciute (Cen A), nonché la più vicina delle galassie attive. Dai due poli di Centaurus A partono due emissioni di onde-radio a getto della lunghezza di diversi milioni da anni-luce. Al centro della galassia si pensa sia situato un buco nero supermassiccio di molti milioni di masse solari.

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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
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	6573440
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 5128

NGC 5128

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Image Index:

Contribution Index (beta):

NGC 5128

NGC 5128

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