M104 - Sombrero Galaxy (Massimo Di Fusco)

Celestial hemisphere: Southern · Constellation: Virgo (Vir) · Contains: M 104 · NGC 4594 · Sombrero Galaxy

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M104 - Sombrero Galaxy

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M104 - Sombrero Galaxy

The Sombrero Galaxy (also known as Messier 104, M104 or NGC 4594) is a spiral galaxy in the constellation borders of Virgo and Corvus, being about 31.1 million light-years from us and having a diameter of approximately 49000 light-years, three-tenths the size of the Milky Way. It has a bright nucleus, an unusually large central bulge, and a prominent dust lane in its outer disk, which is viewed almost edge-on. The dark dust lane and the bulge give it the appearance of a sombrero hat. Astronomers initially thought the halo was small and light, indicative of a spiral galaxy; but the Spitzer Space Telescope found that the dust ring was larger and more massive than previously thought, indicative of a giant elliptical galaxy. The galaxy has an apparent magnitude of 8.0, making it easily visible with amateur telescopes.

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	Distinct awarded users	Total awarded images
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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	5732531
PixInsight job	L5BH3EET0RJHRNNZ35JMR8EPLOJ4QX99
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h39m59s.999
RA (top/left)	12h40m45s.123
RA (top/right)	12h39m13s.608
RA (bottom/right)	12h39m13s.899
RA (bottom/left)	12h40m45s.503

Dec (center)	-11°37′30″.42
Dec (top/left)	-11°29′42″.29
Dec (top/right)	-11°29′49″.68
Dec (bottom/right)	-11°45′18″.28
Dec (bottom/left)	-11°45′10″.57

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M104 - Sombrero Galaxy

M104 - Sombrero Galaxy

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M104 - Sombrero Galaxy

M104 - Sombrero Galaxy

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