M 45 Les Pleiades (Sepultura)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: Maia nebula · Merope nebula · NGC 1432 · NGC 1435 · The star 18Tau · The star Atlas (27Tau) · The star Celaeno (16Tau) · The star Electra (17Tau) · The star Merope (23Tau) · The star Pleione (28Tau) · The star Sterope I (21Tau) · The star Taygeta (19Tau) · The star ηTau

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M 45 Les Pleiades

Les Plèiades (també conegudes com a Messier 45, M45, les Set Germanes, o Subaru (al Japó), és un cúmul obert en la constel·lació de Taure. És un dels cúmuls estel·lars més propers, probablement el més conegut, i és sens dubte el més evident a ull nu. De vegades se l'ha denominat Nebulosa Maia, tal vegada erròniament, considerant que la nebulositat de reflexió que envolta l'estrella Maia és intrínseca (vegeu més avall). Popularment rep el nom de les Cabrelles.

El cúmul està dominat per estrelles blaves calentes, que s'han format en els últims 100 milions d'anys. Al principi es va pensar que la pols que forma una feble nebulosa de reflexió al voltant de les estrelles més brillants eren romanents de la formació del cúmul, però ara se sap que es tracta d'un núvol de pols que no guarda cap relació i que les estrelles actualment estan passant a través del núvol. Els astrònoms estimen que el cúmul sobreviurà durant uns altres 250 milions d'anys, per després dispersar-se a causa de la interacció gravitacional amb el seu veïnatge galàctic.

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	Basic success
Started	...
Astrometry.net job	397067
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M 45 Les Pleiades

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M 45 Les Pleiades

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