Messier 95 - 96 - 105 - Galaxies & Co - Leo Quintet (Ray Caro)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: M 105 · M 95 · M 96 · NGC 3351 · NGC 3368 · NGC 3379 · NGC 3384 · NGC 3389

Messier 95 - 96 - 105 - Galaxies & Co - Leo Quintet, Ray Caro

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Messier 95 - 96 - 105 - Galaxies & Co - Leo Quintet

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Messier 95 - 96 - 105 - Galaxies & Co - Leo Quintet

Il s'agit d'un groupe d'au moins cinq galaxies, dans la constellation du Lion, dont trois Messier (M 95 - M 96 - M 105) et deux NGC (3384 - 3389) contenues dans le champ de ma lunette.

Messier 95 (ou NGC 3351) est une galaxie spirale barrée découverte par Pierre Méchain en 1781. 38 millions d'années-lumière nous séparent.

Messier 96 (ou NGC 3368) est une galaxie spirale qui fut découverte la même nuit que M 95, le 20 mars 1781, à une distance d'environ 36 millions d'années-lumière.

Messier 105 (ou NGC 3379) est une galaxie elliptique. Elle fut découverte quelques jours après M 95 et M 96, le 24 mars 1781, et est distante d'environ 38 millions d'années-lumière de notre système.

NGC 3384 est une galaxie elliptique découverte par William Herschel en 1784.

NGC 3389 est une galaxie spirale deux fois plus éloignée que les autres objets. Techniquement, elle ne fait donc pas partie de l'amas.

AAA : Astronomes et Astrographes Amateurs

Leo / Lion

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	1585800
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Contribution Index (beta):

Messier 95 - 96 - 105 - Galaxies & Co - Leo Quintet

Messier 95 - 96 - 105 - Galaxies & Co - Leo Quintet

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Image Index:

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Messier 95 - 96 - 105 - Galaxies & Co - Leo Quintet

Messier 95 - 96 - 105 - Galaxies & Co - Leo Quintet

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