M87 - Eliptical Galaxy (Greg Allegretti)

Celestial hemisphere: Northern · Constellation: Virgo (Vir) · Contains: M 87 · NGC 4476 · NGC 4478 · NGC 4486

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M87 - Eliptical Galaxy

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M87 - Eliptical Galaxy

M87 is a giant elliptical galaxy in the Coma-Virgo cluster. It's one of the two large galaxies at the center of the cluster that have been consuming smaller elliptical and spiral galaxies.

At the core of M87 is an enormous black hole (3 billion suns) that is expelling a jet of material. This ejected material flows with velocities that approach the speed of light. Another jet exists at the opposite side, but due to relativistic effects, only the jet which flowing toward us is visible here.

M87 is 60 million light years distant beyond our Milky Way.

This image was captured under high desert skies near Santa Fe, New Mexico, USA with a telescope of 12" aperture at f/8 and an electrically-cooled CCD camera. This photo was processed to reveal the jet of material which is usually obscured by the over-exposed central core of the galaxy.

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
Artificial satellite

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.

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M87 - Eliptical Galaxy

M87 - Eliptical Galaxy

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M87 - Eliptical Galaxy

M87 - Eliptical Galaxy

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