M33, The Triangulum galaxy (Andrei)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: M 33 · NGC 598 · Triangulum galaxy

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M33, The Triangulum galaxy

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M33, The Triangulum galaxy

The Triangulum Galaxy is a spiral galaxy located on the night sky in the constellation Triangulum. It was probably discovered in the 17th century by astronomer Giovanni Battista Hodiern, describing it as a cloud-like nebulosity. The Triangulum galaxy is one of the most distant objects in the night sky that under very good seeing conditions can be spotted with the naked eye. It is the 3rd largest member of the local group of galaxies (after the Andromeda galaxy and our own Milky Way) with a size of approximately 60.000 light years and housing some 40 billion stars. Lying at about 3 million light years from our own galaxy, the Triangulum galaxy is thought to be a satellite of the Andromeda galaxy due their interactions and proximity to one another. In 2004, astronomers found evidence of some hydrogen gas structures linking the two galaxies, then 1 year later, they were able to estimate the motion of the Triangulum galaxy and concluded that it is moving towards the Andromeda galaxy.

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Description: Corrected some artifacts on the color data, visible around some medium size stars.

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	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
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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.

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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
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Astrometry.net job	1406024
PixInsight job	n/a
PixInsight queue size	n/a
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M33, The Triangulum galaxy

M33, The Triangulum galaxy

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M33, The Triangulum galaxy

M33, The Triangulum galaxy

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