M45 / Pleiades Cluster / Seven Sisters (Jeff Donaldson)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: 16 Tau · 17 Tau · 18 Tau · 19 q Tau · 20 Tau · 21 Tau · 22 Tau · 23 Tau · 24 Tau · 25 eta Tau · 26 Tau · 27 Tau · 28 Tau · Alcyone · Asterope · Atlas · Celaeno · Electra · IC 349 · M 45 · Maia · Maia nebula · Merope · Merope nebula · NGC 1432 · NGC 1435 · Pleiades · Pleione · Sterope II · Taygeta · And 9 more.

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M45 / Pleiades Cluster / Seven Sisters

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M45 / Pleiades Cluster / Seven Sisters

Have you ever seen the Pleiades star cluster? Even if you have, you probably have never seen it as dusty as this. Perhaps the most famous star cluster on the sky, the bright stars of the Pleiades can be seen without binoculars from even the depths of a light-polluted city. With a long exposure from a dark location, though, the dust cloud surrounding the Pleiades star cluster becomes very evident.

Also known as the Seven Sisters and M45, the Pleiades lies about 400 light-years away toward the constellation of the Bull (Taurus). A common legend with a modern twist is that one of the brighter stars faded since the cluster was named, leaving only six stars visible to the unaided eye. The actual number of Pleiades stars visible, however, may be more or less than seven, depending on the darkness of the surrounding sky and the clarity of the observer's eyesight.

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	3019206
PixInsight job	BPIIDQIKLEUH2BFRXPLLFAIHV4CQ4MBM
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	03h46m38s.47
RA (top/left)	03h49m23s.52
RA (top/right)	03h49m28s.56
RA (bottom/right)	03h43m51s.18
RA (bottom/left)	03h43m50s.48

Dec (center)	+24°13′40″.3
Dec (top/left)	+23°22′43″.6
Dec (top/right)	+25°03′55″.6
Dec (bottom/right)	+25°04′26″.4
Dec (bottom/left)	+23°23′14″.9

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Contribution Index (beta):

M45 / Pleiades Cluster / Seven Sisters

M45 / Pleiades Cluster / Seven Sisters

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M45 / Pleiades Cluster / Seven Sisters

M45 / Pleiades Cluster / Seven Sisters

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