M13 - The Herculus Globular Cluster in LRGB (sojourn_studios_llc)

Celestial hemisphere: Northern · Constellation: Hercules (Her) · Contains: HD150679 · HD150998 · Hercules Globular Cluster · IC 4617 · M 13 · NGC 6205

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M13 - The Herculus Globular Cluster in LRGB

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M13 - The Herculus Globular Cluster in LRGB

M13, also known as the Great Globular Cluster in Hercules, is one of the most remarkable and brightest globular clusters visible from the Northern Hemisphere. It is located in the constellation Hercules and is a popular target for amateur astronomers and stargazers.

A globular cluster is a dense and spherical collection of stars held together by gravity. M13 contains hundreds of thousands of stars packed into a relatively small region of space. The stars in globular clusters are generally older and have a distinct globular shape due to their gravitational interactions and close proximity to one another.

M13 is estimated to be around 25,000 light-years away from Earth. Its diameter spans approximately 145 light-years, and it is thought to be over 11.5 billion years old, making it one of the oldest known globular clusters in our galaxy, the Milky Way.

The beauty of M13 lies in its concentration of stars, which creates a dazzling visual spectacle when observed through telescopes or binoculars. It appears as a bright, hazy patch in the night sky, with individual stars becoming visible as resolution and magnification increase.

The Great Globular Cluster in Hercules has been studied extensively by astronomers, providing valuable insights into stellar evolution, stellar dynamics, and the overall structure and dynamics of globular clusters. Its proximity to Earth and its brightness make it an excellent object for research and a favorite target for stargazers and astrophotographers.

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	8213301
PixInsight job	G7YPQVPG9R23AZVFLO078SQGJB7GZ8V2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	16h41m40s.10
RA (top/left)	16h41m37s.28
RA (top/right)	16h43m46s.47
RA (bottom/right)	16h41m41s.97
RA (bottom/left)	16h39m34s.15

Dec (center)	+36°27′08″.0
Dec (top/left)	+36°00′13″.6
Dec (top/right)	+36°35′28″.4
Dec (bottom/right)	+36°53′51″.6
Dec (bottom/left)	+36°18′36″.1

Image Index:

Contribution Index (beta):

M13 - The Herculus Globular Cluster in LRGB

M13 - The Herculus Globular Cluster in LRGB

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Image Index:

Contribution Index (beta):

M13 - The Herculus Globular Cluster in LRGB

M13 - The Herculus Globular Cluster in LRGB

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