NGC 7788 & NGC 7790 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: NGC 7788 · NGC 7790

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NGC 7788 & NGC 7790

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NGC 7788 & NGC 7790

This image captures a pair of open star clusters located in the constellation of Cassiopeia at a declination of +61 degrees. The cluster on the left is NGC 7788 and the cluster on the right is NGC 7790. Although they appear similar, they lie at different distances from us. NGC 7788 is closer at 5,000 light years away, while NGC 7790 is just over 10,000 light years away. Each span about 5 arc-minutes in our apparent view. This translates into diameters of 7 and 15 light years for NGC 7788 and 7790, respectively.

Both clusters look similar, with many bright blue stars, a sprinkle of orange stars, and similar star densities. The brightest orange star in NGC 7790 is a binary star and appears as a slight oval in the image.

Takahashi Refractors
Open Star Clusters
ZWO ASI183/QHY183
The refractors!
Cloudy Nights

Open Clusters
Secret Deep Catalog (Complete)

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Status	Advanced success
Started	...
Astrometry.net job	2952682
PixInsight job	ZVATEUE13P626LESU3OHS59H4FA95W0F
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	23h57m36s.270
RA (top/left)	23h54m24s.470
RA (top/right)	23h58m24s.887
RA (bottom/right)	00h00m47s.210
RA (bottom/left)	23h56m46s.639

Dec (center)	+61°18′05″.15
Dec (top/left)	+61°22′19″.82
Dec (top/right)	+60°55′25″.98
Dec (bottom/right)	+61°13′33″.40
Dec (bottom/left)	+61°40′41″.83

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NGC 7788 & NGC 7790

NGC 7788 & NGC 7790

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NGC 7788 & NGC 7790

NGC 7788 & NGC 7790

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