Leo Triplets (Daniel.Baster)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: M 65 · M 66 · NGC 3623 · NGC 3627 · NGC 3628

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Leo Triplets

The galaxies are gravitationally bound to each other, and are commonly known as the M66 group. The lower right of the three galaxies is M65 - a spiral galaxy that seems to have suffered the least damage from the galaxies' encounter. To the left of M65 is the barred spiral galaxy, M66. This galaxy displays more consequence from the gravitational collision, as the galaxy's spiral arms are clearly deformed and the colorful arms are indicative of a high rate of star formation.

The third galaxy of the Trio, NGC 3628, is an edge on unbarred spiral galaxy at the top in this image. NGC 3628 may be the most affected of the three galaxies, as this image shows its impressive tidal tail. Astronomers believe that the tidal tail is a result of the gravitational impact, and it consists primarily of young blue stars. The tail extends from the galaxy for over 300,000 light years. Due to its extreme faintness, the tidal tail is not commonly shown in photographs of NGC 3628.

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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
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	1040517
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Image Index:

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Leo Triplets

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