Messier 2 (Indy Backyard Astro)

Celestial hemisphere: Southern · Constellation: Aquarius (Aqr) · Contains: HD204950 · M 2 · NGC 7089

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Messier 2

Link: https://tomsbackyardastro.com/messier-2-globular-cluster/

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Messier 2

Link: https://tomsbackyardastro.com/messier-2-globular-cluster/

As we gaze up at the night sky, the universe unfolds before our eyes in the form of countless stars, galaxies, and nebulae. One celestial gem that has captured the wonder of astronomers and stargazers alike is Messier 2 (M2), a breathtaking globular cluster located in the constellation Aquarius.Messier 2 was first discovered by French astronomer Jean-Dominique Maraldi in 1746 and later cataloged by Charles Messier in 1760. This cluster is situated approximately 37,500 light-years away from Earth, making it one of the closer globular clusters to our solar system.M2 is a dense collection of stars, housing hundreds of thousands of them. Unlike open clusters, which form from the same molecular cloud and share similar ages and compositions, globular clusters are densely packed groups of stars that are much older. M2 is estimated to be around 13 billion years old, nearly as ancient as the universe itself. The stars within globular clusters are some of the oldest objects in the Milky Way.

Clusters
Messier Catalog

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	Advanced success
Started	...
Astrometry.net job	8467406
PixInsight job	H3B38M76IG613WQ2X5VPOFXC4FRHNEY9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h33m26s.261
RA (top/left)	21h34m56s.726
RA (top/right)	21h33m18s.433
RA (bottom/right)	21h31m55s.859
RA (bottom/left)	21h33m34s.183

Dec (center)	-00°49′09″.70
Dec (top/left)	-00°57′31″.90
Dec (top/right)	-00°25′05″.22
Dec (bottom/right)	-00°40′43″.36
Dec (bottom/left)	-01°13′10″.70

Image Index:

Contribution Index (beta):

Messier 2

Messier 2

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Image Index:

Contribution Index (beta):

Messier 2

Messier 2

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these collections

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