Triangulum galaxy (Steed Yu)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: HD9483 · HD9686 · IC 131 · IC 132 · IC 133 · IC 135 · IC 136 · IC 137 · IC 142 · IC 143 · M 33 · NGC 588 · NGC 592 · NGC 595 · NGC 598 · NGC 604 · Triangulum Galaxy · Triangulum Pinwheel

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Triangulum galaxy

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Triangulum galaxy

M33, also known as the Triangulum Galaxy, is a spiral galaxy located 2.73 million light-years away from Earth in the constellation Triangulum. It is a member of the Local Group of galaxies, which also includes the Milky Way and Andromeda galaxies. M33 has a relatively bright apparent magnitude of 5.7, making it one of the most distant objects that can be viewed with the unaided eye, although a telescope is needed to observe its spiral features.

The Triangulum Galaxy is characterized by its orderly spiral structure and is home to numerous sites of rapid star birth. It is believed to be a suspected gravitational companion to the Andromeda Galaxy, and both galaxies are moving toward our own. Star formation in the Triangulum Galaxy (M33) is an ongoing process, with numerous sites of rapid star birth scattered throughout the galaxy. The star formation rate in M33 is ten times higher than the average found in the Andromeda Galaxy.

Astrometric data from Gaia in 2019 suggests that M33 and M31 are not in orbit around each other, and if correct, M33 is on its first infall proper into the Andromeda Galaxy (M31). The fate of M33 is uncertain, with possible scenarios including being torn apart and absorbed by the greater companion, exhausting its gas supply, or participating in the collision between the Milky Way and M31.

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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
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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
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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
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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.

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	8919554
PixInsight job	ZSV2R4AANGOBXL5W6P37GGCGXUJL5GDA
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h33m50s.285
RA (top/left)	01h35m37s.636
RA (top/right)	01h36m03s.550
RA (bottom/right)	01h32m01s.372
RA (bottom/left)	01h31m38s.732

Dec (center)	+30°39′37″.49
Dec (top/left)	+29°58′20″.50
Dec (top/right)	+31°17′23″.25
Dec (bottom/right)	+31°20′49″.31
Dec (bottom/left)	+30°01′44″.14

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Triangulum galaxy

Triangulum galaxy

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Triangulum galaxy

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