M31 The Andromeda Galaxy (Sean Liang)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: Andromeda Galaxy · M 110 · M 31 · M 32 · NGC 205 · NGC 221 · NGC 224 · The star 32And · The star νAnd

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M31 The Andromeda Galaxy

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M31 The Andromeda Galaxy

M31 The Andromeda Galaxy

This galaxy marked the beginning of our understanding of the universe's immensity.Merely 100 years ago, Andromeda was thought to be a nebula, and many astronomers at the time believed that our Milky Way was the only galaxy in the universe. Not long after, Edwin Hubble made his famous observation, confirming Andromeda as a galaxy, and our galaxy was just one of many. From that moment, our universe expanded, and we never looked back.The background may look a bit messy, but it was intentionally so. Every dot in the image is a star, and there are well over 10,000 stars in the background. The galaxy itself contains about a trillion stars, many of which have their own planets. Maybe, just maybe, some of them could even harbour life.Another fun fact about Andromeda is that it's on a head-on collision course with our Milky Way. They will collide about 4.5 billion years from now, performing a spectacular cosmic dance and merging into a new elliptical galaxy. Would humans still be around to witness the show?(The data was collected from Telescopelive, which I processed using Pixinsight and Photoshop)

Please note: The following tables are updated every 24 hours.

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
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
Other
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	Basic success
Started	...
Astrometry.net job	5355138
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M31 The Andromeda Galaxy

M31 The Andromeda Galaxy

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Image Index:

Contribution Index (beta):

M31 The Andromeda Galaxy

M31 The Andromeda Galaxy

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