Messier 45 The Pleiades "Seven Sisters" mosaic (Barry Wilson)

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.

Powered byPixInsight

Messier 45 The Pleiades "Seven Sisters" mosaic

Link: https://barrywilson.smugmug.com

Powered byPixInsight

Messier 45 The Pleiades "Seven Sisters" mosaic

Link: https://barrywilson.smugmug.com

One of the night sky's famous visual sights reveals great detail in the reflection nebula when imaged. It may be a an oft imaged target but it is a delight nevertheless. From Wikipedia: "The earliest-known depiction of the Pleiades is likely a Northern German bronze age artifact known as the Nebra sky disk, dated to approximately 1600 BC . . . The Pleiades (/ˈplaɪ.ədiːz, ˈpliːə-/), also known as the Seven Sisters and Messier 45, are an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky.

The cluster is dominated by hot blue and luminous stars that have formed within the last 100 million years. Reflection nebulae around the brightest stars were once thought to be left over material from the formation of the cluster, but are now considered likely to be an unrelated dust cloud in the interstellar medium through which the stars are currently passing.[7]

Computer simulations have shown that the Pleiades were probably formed from a compact configuration that resembled the Orion Nebula.[8] Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood."

This is a two panel mosaic and was imaged over many weeks between bouts of autumnal rainy weather. This created its own challenges when merging the mosaic with a variety of gradients ;-).

Data acquisition: Barry Wilson & Steve Milne

Processing: Barry Wilson

Deep Sky Mosaics
Entre Encinas y Estrellas (e-EyE)

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	3119557
PixInsight job	154WXJZUIKZ6FN6ETYI6JKYURG7Q70HR
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	03h46m45s.23
RA (top/left)	03h41m01s.58
RA (top/right)	03h41m12s.23
RA (bottom/right)	03h52m23s.48
RA (bottom/left)	03h52m23s.50

Dec (center)	+24°06′37″.4
Dec (top/left)	+25°01′12″.3
Dec (top/right)	+23°09′29″.2
Dec (bottom/right)	+23°11′12″.10
Dec (bottom/left)	+25°02′58″.3

Image Index:

Contribution Index (beta):

Messier 45 The Pleiades "Seven Sisters" mosaic

Messier 45 The Pleiades "Seven Sisters" mosaic

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

		...
You have no new notifications.

Image Index:

Contribution Index (beta):

Messier 45 The Pleiades "Seven Sisters" mosaic

Messier 45 The Pleiades "Seven Sisters" mosaic

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

Notifications

AstroBin is in READ ONLY mode

Sorry :-(

Sorry :-(

Sorry :-(

Are you really sure?

Warning!

Warning!

Are you sure?

Report abuse

Slideshow settings

IOTD/TP stats (last [x] days)

Distribution of astrophotographers

Distribution of subject types

Distribution of data sources

Sorry

Sorry

Share

Upload new revision

Upload uncompressed source (XISF/FITS/PSD/TIFF)

Delete image and all its revisions?

Delete original image?

Delete all other versions?

Delete all revisions?

IOTD/TP stats

The following people like this image

The following people bookmarked this image

Warning

Flag malfunctioning thumbnails

Contains

Remove yourself as a collaborator

Plate-solving information