M104 - Sombrero Galaxy (Lucas Magalhães)

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

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M104 - Sombrero Galaxy

Link: https://flic.kr/p/2iLAh3a

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M104 - Sombrero Galaxy

Link: https://flic.kr/p/2iLAh3a

The Sombrero Galaxy (M104 or NGC4594) is a lenticular galaxy in the constellation Virgo. It is estimated to be 9.55 megaparsecs (31.1 million light years) from Earth. The galaxy has a diameter of approximately 15 kiloparsecs (49,000 light years).

It has a shiny core, an unusually large central bulge, and a prominent dust strip on its sloping disk. The strip of dark dust and the bulge give this galaxy 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 around the Sombrero Galaxy is larger and more massive than previously thought, indicative of an elliptical galaxy giant. The galaxy has an apparent magnitude of +8.0 and is considered by some authors to be the galaxy with the highest absolute magnitude within a 10-megaparsec radius of the Milky Way.

The Sombrero Galaxy is within a complex filament-like galaxy cloud that extends south of the Virgo Cluster. However, it is not clear whether the Sombrero Galaxy is part of a group of formal galaxies.

The image field brings five more faint galaxies. Describing from top to bottom:

PGC 157913 - mag. +16.4 / size 0.6x0.2 arcmin

PGC 964919 - mag. +17.7 / size 0.2x0.2 arcmin

PGC 964710 - mag. +17.9 / size 0.3x0.1 arcmin

PGC 962963 - mag. +16.6 / size 0.5x0.3 arcmin

PGC 961516 - did not find the data

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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.

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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.
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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	3384588
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M104 - Sombrero Galaxy

M104 - Sombrero Galaxy

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