Abell 2151 - Wide View (Gary Imm)

Celestial hemisphere: Northern · Constellation: Hercules (Her) · Contains: IC 1170 · IC 1172 · IC 1173 · IC 1176 · IC 1178 · IC 1179 · IC 1181 · IC 1182 · IC 1183 · IC 1184 · IC 1185 · IC 1186 · IC 1188 · IC 1189 · IC 1192 · IC 1193 · IC 1194 · NGC 6040 · NGC 6041 · NGC 6042 · NGC 6043 · NGC 6044 · NGC 6045 · NGC 6047 · NGC 6050 · NGC 6054 · NGC 6055 · NGC 6056 · NGC 6057 · NGC 6061

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Abell 2151 - Wide View

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Abell 2151 - Wide View

This object is the magnificent Hercules Galaxy Cluster. The cluster consists of 200 galaxies located 500 million light-years away in the constellation of Hercules. The image is best seen in the full resolution view. The image is about one degree across, which encompasses a span of almost 10 million light years.

The Hercules Cluster is one of the few galaxy clusters without a huge elliptical galaxy at its center, at least not yet. At the very center of the image is Arp 272, a trio of interacting galaxies. Many other merging and interacting galaxies are seen throughout the image.

The refractors!
Cloudy Nights
Arp's Peculiar Galaxies
ZWO ASI1600MM/QHY163M
Abell Galaxy Clusters

Abell Galaxy Cluster Catalog (27)
Galaxy Clusters
Orphaned Beauties Catalog (Complete)

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	2582904
PixInsight job	ZT0EHOINP4S32MZXC1XYYTFAOFO7AMKC
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	16h05m17s.973
RA (top/left)	16h03m51s.822
RA (top/right)	16h03m57s.565
RA (bottom/right)	16h06m43s.529
RA (bottom/left)	16h06m38s.757

Dec (center)	+17°45′35″.36
Dec (top/left)	+18°14′50″.75
Dec (top/right)	+17°15′28″.21
Dec (bottom/right)	+17°16′18″.74
Dec (bottom/left)	+18°15′38″.53

Image Index:

Contribution Index (beta):

Abell 2151 - Wide View

Abell 2151 - Wide View

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Image Index:

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Abell 2151 - Wide View

Abell 2151 - Wide View

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