Markarian's Chain (Prabhakaran)

Celestial hemisphere: Northern · Constellation: Virgo (Vir) · Contains: M 84 · M 86 · M 87 · NGC 4374 · NGC 4388 · NGC 4402 · NGC 4406 · NGC 4407 · NGC 4425 · NGC 4435 · NGC 4438 · NGC 4459 · NGC 4461 · NGC 4473 · NGC 4474 · NGC 4477 · NGC 4486 · Virgo Galaxy

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Markarian's Chain

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Markarian's Chain

Markarian's Chain is a striking arrangement of galaxies located within the Virgo Cluster, stretching across approximately 1 degree in the constellation Virgo. Comprising of about a dozen galaxies. This cosmic spectacle is a result of gravitational interactions among galaxies, where they appear to be strung together like pearls on a necklace. Among the notable members of the chain are Messier 84, Messier 86, and the Markarian's eye (NGC 4438 and NGC 4435). At 50 million light-years distant, the Virgo Cluster itself is the nearest galaxy cluster. With up to about 2,000 member galaxies, it has a noticeable gravitational influence on our own Local Group of Galaxies. Within the Virgo Cluster, at least seven galaxies in Markarian's Chain appear to move coherently, although others may appear to be part of the chain by chance. Markarian's Chain is a popular target for amateur and professional astronomers alike due to its accessibility and its significance in understanding galactic interactions and the dynamics of galaxy clusters.

Very Wide Field

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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
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Extremely wide field
Star trails
Northern lights
Noctilucent clouds
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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
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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.

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Markarian's Chain

Markarian's Chain

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