The Black Eye Galaxy (Kabir Jami)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: Black Eye Galaxy · Black-eye galaxy · Evil Eye Galaxy · M 64 · NGC 4826

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The Black Eye Galaxy

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The Black Eye Galaxy

The Black Eye Galaxy

The Black Eye Galaxy (also called Evil Eye Galaxy, M64, NGC 4826) is a relatively isolated spiral galaxy 17 million light-years away in the constellation of Coma Berenices. It was first discovered by Edward Pigott in March 1779. A dark band of absorbing dust partially in front of its bright nucleus gave rise to its nicknames of the "Black Eye" or "Evil Eye" galaxy.

The interstellar medium of M64 consists of two counter-rotating disks that are approximately equal in mass. Measurements of the motions of its component stars show that, unlike normal spiral galaxies that grandly rotate in a single direction, M64 is made of counter-rotating segments. The inner 3,000-light-year radius spins clockwise, while the galaxy’s remaining outer 40,000 light-years moves in the other direction.

Software: PixInsight, GIMP and DeepSkyStacker

Date: 11 Mar 2021

Location: Spain, Telescope.Live

Red: 4x300'', Green: 4x300", Blue: 4x300"

Telescope: Officina Stellare 700 RC

Aperture: 700 mm

Focal Length: 4267 mm

F-ratio: 6.0 (with 0.75 focal reducer)

Camera: FLI PL16803

Pixel Size: 9 μm

Pixel Array: 4096 x 4096

Cooling: -25 degrees

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	Advanced success
Started	...
Astrometry.net job	4336176
PixInsight job	H7GY0BXOUIEJ6B0TAUN9VLK0UBYOJYJW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h56m43s.726
RA (top/left)	12h57m24s.523
RA (top/right)	12h56m02s.500
RA (bottom/right)	12h56m02s.959
RA (bottom/left)	12h57m25s.368

Dec (center)	+21°41′01″.71
Dec (top/left)	+21°48′01″.93
Dec (top/right)	+21°47′44″.43
Dec (bottom/right)	+21°34′01″.56
Dec (bottom/left)	+21°34′18″.13

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Contribution Index (beta):

The Black Eye Galaxy

The Black Eye Galaxy

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The Black Eye Galaxy

The Black Eye Galaxy

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