NGC 2420 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Gemini (Gem) · Contains: NGC 2420

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NGC 2420

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NGC 2420

This object is an open star cluster located 10,000 light years away in the constellation of Gemini. I find it to be one of the prettier open clusters, with a nice mix of bright blue and orange stars throughout the image. Overall, this cluster contains about 1,000 stars across a span of about 30 light years. Interestingly, the very center of the cluster appears to be devoid of stars.

An unusual aspect of this cluster is that it is lies about 3,000 light years above our Milky Way galactic disk, but it is rich in chemical elements. Clusters which are chemically rich are usually only found right in the galactic disk. Scientists don't understand how this cluster ended up in this location, based on current models.

To the upper right of the cluster, at 2 o'clock one-third of the way to the image edge, is a faint pair of interacting background galaxies (PGC021441 and PGC021435), about 400 million light years away.

Open Star Clusters
The refractors!
Cloudy Nights

Open Clusters
Secret Deep Catalog (Complete)

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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.
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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
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Status	Advanced success
Started	...
Astrometry.net job	2037841
PixInsight job	JPT1FDUMY9WANYIZWAQQATSOLSX26INS
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	07h38m24s.459
RA (top/left)	07h40m01s.383
RA (top/right)	07h36m53s.149
RA (bottom/right)	07h36m47s.758
RA (bottom/left)	07h39m55s.503

Dec (center)	+21°34′23″.53
Dec (top/left)	+21°45′29″.59
Dec (top/right)	+21°47′49″.16
Dec (bottom/right)	+21°23′14″.76
Dec (bottom/left)	+21°20′54″.91

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