NGC 772 - Arp 78 (Michel Makhlouta)

Celestial hemisphere: Northern · Constellation: Aries (Ari) · Contains: NGC 770 · NGC 772

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NGC 772 - Arp 78

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NGC 772 - Arp 78

NGC 772 / Arp 78 is an unbarred spiral galaxy approximately 130 million light-years away in the constellation Aries.

Around 200,000 light years in diameter, NGC 772 is twice the size of the Milky Way Galaxy, and is surrounded by several satellite galaxies – including the dwarf elliptical, NGC 770 – whose tidal forces on the larger galaxy have likely caused the emergence of a single elongated outer spiral arm that is much more developed than the others arms. (Source: Wikipedia).

This is a galaxy I've never heard of before, until I've seen it captured recently by @Michael Feigenbaum, what an amazing image of a very beautiful galaxy. So here's my attempt at it. We've had a couple of clear nights around November's new moon, and my imaging train is still bolted to the EdgeHD, used at native focal length.

I did discover a moving object while blinking, turned out to be Asteroid 51455 (thanks to @Die Launische Diva for the help on identifying it). Here's an attempt at animating it: https://www.astrobin.com/4nc1d9/

Clear skies, and stay safe!

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	5216933
PixInsight job	L6SY9UMXOJUBFZXX5PN1WNIR16SYNT64
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h59m19s.927
RA (top/left)	01h58m25s.739
RA (top/right)	01h58m53s.582
RA (bottom/right)	02h00m13s.992
RA (bottom/left)	01h59m46s.343

Dec (center)	+19°00′25″.23
Dec (top/left)	+19°10′21″.43
Dec (top/right)	+18°45′27″.13
Dec (bottom/right)	+18°50′27″.84
Dec (bottom/left)	+19°15′22″.50

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NGC 772 - Arp 78

NGC 772 - Arp 78

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Image Index:

Contribution Index (beta):

NGC 772 - Arp 78

NGC 772 - Arp 78

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