M92 (jrtb) - AstroBin

Celestial hemisphere: Northern · Constellation: Hercules (Her) · Contains: M 92 · NGC 6341

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M92

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M92

Messier 92 (M92) is a globular cluster located in the constellation Hercules. Here are some key facts about Messier 92:

Discovery: Johann Elert Bode discovered M92 in 1777, and it was later independently rediscovered by Charles Messier in 1781. As a result, it was included as the 92nd entry in Messier's catalog of non-stellar objects.
Location: Messier 92 is situated in the northern celestial hemisphere, within the constellation Hercules. It is relatively close to another globular cluster, Messier 13 (M13), which is more famous and easier to observe due to its brightness.
Physical Characteristics: M92 is one of the older globular clusters, estimated to be around 14 billion years old. It is composed of a large number of stars densely packed together in a roughly spherical shape. The cluster contains a significant population of variable stars, including RR Lyrae variables.
Distance: The estimated distance to Messier 92 from Earth is approximately 26,700 light-years.
Apparent Magnitude: M92 has an apparent magnitude of about 6.3, making it visible to the naked eye under dark skies. However, it is best observed with binoculars or a telescope, where individual stars within the cluster become discernible.
Observation: Messier 92 is a popular target for amateur astronomers. It is often compared to Messier 13, another globular cluster in Hercules, for its interesting features and differences in appearance.
Globular Cluster Characteristics: Globular clusters like M92 are dense, spherical collections of stars that orbit the galactic core as satellites. They are composed of hundreds of thousands to millions of stars bound together by gravity. Globular clusters are typically found in the halos of galaxies.

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	8738409
PixInsight job	T98AWJZXJIDG8RCVHA5EO99EVHUN1OOS
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	17h17m09s.151
RA (top/left)	17h18m24s.236
RA (top/right)	17h18m10s.390
RA (bottom/right)	17h15m53s.628
RA (bottom/left)	17h16m08s.875

Dec (center)	+43°07′47″.25
Dec (top/left)	+42°56′32″.12
Dec (top/right)	+43°21′39″.36
Dec (bottom/right)	+43°19′00″.36
Dec (bottom/left)	+42°53′53″.60

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