M51 The Whirlpool Galaxy (Andy Elliott)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: IC 4263 · IC 4277 · IC 4278 · M 51 · NGC 5169 · NGC 5173 · NGC 5194 · NGC 5195 · NGC 5198 · PGC 2281785 · PGC 2282749 · PGC 2286797 · PGC 2289559 · PGC 2289565 · PGC 2290293 · PGC 2290581 · PGC 2292105 · PGC 2294282 · PGC 2294604 · PGC 2297248 · PGC 2297311 · PGC 2297924 · PGC 2790855 · PGC 47274 · PGC 47323 · Whirlpool Galaxy

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M51 The Whirlpool Galaxy

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M51 The Whirlpool Galaxy

This is the magnificent Whirlpool Galaxy (Messier 51 / NGC 5194), the in the constellation of Canes Venatici (The Hunting Dogs). It is without doubt the best and most famous example of a spiral galaxy that is presented face-on to our perspective, and probably only Messier 31, the Andromeda galaxy, is as well-known.In this image we can see a companion galaxy which appears to be tugging on the trailing arm of the Whirlpool galaxy towards the left, the tidal forces from which trigger new star formation.There is a plethora of other galaxies in this image, the largest of which can be seen as a trailing arc leading towards the right. If you look closely and zoom in to the image there are many more small galaxies visible.

Imaged with APT

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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
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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
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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	7529679
PixInsight job	LX1HWYLLSZYM1QOAORRI327ODGN58S2A
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	13h29m10s.19
RA (top/left)	13h26m50s.19
RA (top/right)	13h26m55s.82
RA (bottom/right)	13h31m27s.72
RA (bottom/left)	13h31m27s.83

Dec (center)	+46°59′15″.2
Dec (top/left)	+47°30′39″.3
Dec (top/right)	+46°27′25″.0
Dec (bottom/right)	+46°27′43″.5
Dec (bottom/left)	+47°31′04″.3

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M51 The Whirlpool Galaxy

M51 The Whirlpool Galaxy

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Image Index:

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M51 The Whirlpool Galaxy

M51 The Whirlpool Galaxy

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In these public groups

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