NGC 1316 (Jochen Maes)

Celestial hemisphere: Southern · Constellation: Fornax (For) · Contains: Fornax A · Fornax B · NGC 1310 · NGC 1316 · NGC 1317

NGC 1316

Link: https://www.jochenmaes.com/astronomy/galaxies?itemId=1pn5hwin7ucz6qme11mdge3bpr7z78

NGC 1316

Link: https://www.jochenmaes.com/astronomy/galaxies?itemId=1pn5hwin7ucz6qme11mdge3bpr7z78

NGC 1316 is a lenticular/elliptical galaxy in the Fornax constellation, around 60 million light years from earth.

What you're looking at here is very likely the result of a past merger/collision of multiple smaller galaxies roughly 3 billion years ago. So how do we know that? There's a few telltale signs:

- First of all, lets establish that lenticular/elliptical galaxies tend to be very "quiet". They've used up most of their material in past star formation, so very little new star formation is happening. Their core regions tend to be relatively uneventful compared to other galaxies as well.

- In the case of NGC 1316, it's anything but "quiet". When observing it in in the radiowave end of the spectrum, it's in fact one of the most powerful emission sources in the entire night sky. These emissions are triggered by large amounts of material falling into the galaxy's central supermassive black hole. The fact that this material is even there to begin with is a good indication that it had to come from elsewhere (galactic merger).

- Visually, the above can be seen to an extent by the dark dust lanes near the galactic core as well (the dark orange/brown structures in the center).

- The halo around the galaxy (the thin glow-like structure far around it) is quite a bit larger than one would expect, hinting at past gravitational interactions that flung out large amounts of stars/gas.

Image acquisition details:

21x1200" Luminance
15x1200" Red
15x1200" Green
15x1200" Blue
6x1800" HA

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	5886829
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 1316

NGC 1316

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NGC 1316

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