Triangulum Galaxy - 11/7/2010 (AstroPoverty)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: M 33 · NGC 595 · NGC 598 · NGC 604 · Triangulum Galaxy · Triangulum Pinwheel

Triangulum Galaxy - 11/7/2010, AstroPoverty

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Triangulum Galaxy - 11/7/2010

This is a picture of the Triangulum Galaxy (Messier Object 33). This galaxy is about 3 million light years away. The light you are looking at left this galaxy about 500,000 years prior to the existence of the first known mammal. It belongs to a group of galaxies called the "Local Group" (because the Milky Way is also in it). This group consists of about 30 galaxies and this galaxy is the third largest (just behind Andromeda and the Milky Way). The Triangulum Galaxy contains about 35 billion stars (our own Milky way contains 300 billion starts and Andromeda contains 1000 billion stars). Andromeda is so massive that this galaxy may be gravitationally bound to it (it may actually orbit Andromeda). Triangulum is about 50,000 light years across (meaning it takes light 50,000 years to travel from one end of the galaxy to the other).

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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
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
Artificial satellite

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.

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Triangulum Galaxy - 11/7/2010

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Triangulum Galaxy - 11/7/2010

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