M33_2023 (framoro)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: HD9269 · 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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M33_2023

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M33_2023

The Triangulum Galaxy, also known as M33 and NGC 598, is a "flaky" spiral galaxy, having its arms dotted with local accumulations of gas and dust. After the Andromeda Galaxy (M31), M33 is the second closest non-dwarf galaxy to the Milky Way, from which it is about 3 million LY away. The relative "proximity" of M33 to the Milky Way allows us to observe and study the numerous clouds of gas and dust scattered within it. Its name derives from the constellation Triangulum, in which it is projectively located.
With a diameter of approximately 60,000 LY, the Triangulum Galaxy is a rather small galaxy compared to its neighbors - the Milky Way and the Andromeda Galaxy - but in reality it is medium in size compared to other spiral galaxies in the Universe. In particular, it is the third largest member of the Local Group, after the Andromeda Galaxy and the Milky Way, and could be a companion of the same Andromeda Galaxy to which it is gravitationally linked and towards which it is moving. M33 has a nucleus with spectral characteristics similar to those of an H II region and therefore does not present violent phenomena typical of active galactic nuclei.
The Triangulum Galaxy was probably discovered before 1654 by the Italian astronomer Giovanni Battista Hodierna, who may have merged it together with the open cluster NGC 752; it was then rediscovered independently by Charles Messier, who cataloged it with the name M33 on 25 August 1764. M33 was finally reobserved and independently re-catalogued also by William Herschel, on 11 September 1784.

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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.
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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	Advanced success
Started	...
Astrometry.net job	9392173
PixInsight job	30XIDLUMVUIVXVTZRVWO4RX0IS1WM4Y2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h33m51s.57
RA (top/left)	01h35m45s.92
RA (top/right)	01h36m31s.82
RA (bottom/right)	01h31m55s.55
RA (bottom/left)	01h31m13s.53

Dec (center)	+30°40′18″.8
Dec (top/left)	+29°50′44″.5
Dec (top/right)	+31°23′45″.9
Dec (bottom/right)	+31°29′46″.4
Dec (bottom/left)	+29°56′40″.9

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M33_2023

M33_2023

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M33_2023

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