M59 / M60 (Arp 116) (Gary Imm)

Celestial hemisphere: Northern · Constellation: Virgo (Vir) · Contains: IC 3665 · IC 3672 · IC 3684 · IC 809 · M 59 · M 60 · NGC 4621 · NGC 4637 · NGC 4638 · NGC 4647 · NGC 4649

M59 / M60 (Arp 116)

This image of a section of night sky in the southern constellation of Virgo reveals many galaxies. Most famous among them are two Messier objects, both elliptical galaxies about 60 million light years from earth. M59, at the upper right of the image, contains about 200 billion stars while M60, at upper left, contains about 400 billion stars. M60 is gravitationally reacting with its neighbor, the spiral galaxy NGC 4647. To give you a feel for how big M60 is, NGC 4647 is about the same size as our Milky Way. The white dot just below and to the right of M60 looks like a star, but is really the galaxy known as M60-UCD1. This small galaxy is packed with a huge number of stars and is called an “ultra-compact dwarf galaxy.” It is one of the most massive galaxies of its kind for its size.

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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
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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
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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	5221277
PixInsight job	PK90ZQNOQT7WG6KLP2QD4TMWKC4AQH18
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h42m50s.506
RA (top/left)	12h44m14s.751
RA (top/right)	12h41m45s.941
RA (bottom/right)	12h41m26s.310
RA (bottom/left)	12h43m54s.973

Dec (center)	+11°33′58″.42
Dec (top/left)	+11°39′55″.30
Dec (top/right)	+11°48′29″.46
Dec (bottom/right)	+11°27′59″.99
Dec (bottom/left)	+11°19′26″.24

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M59 / M60 (Arp 116)

M59 / M60 (Arp 116)

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Image Index:

Contribution Index (beta):

M59 / M60 (Arp 116)

M59 / M60 (Arp 116)

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