|NGC 7790 (bottom left) NGC 7788 (center)|
equinox : J2000.0
|Right ascension||23 h 56 m 45.6 s|
|declination||+ 61 ° 24 '00 ″|
|Brightness (visual)||9.4 mag|
(2374 pc )
|Age||40 million years|
|Discovered by||John Herschel|
|Discovery time||October 5, 1829|
|NGC 7788 • C 2354 + 611 • OCl 275 • Cr 459 • GC 5030 • h 2283 •|
NGC 7788 is an open star cluster of the Trumpler type I2p in the constellation Cassiopeia in the northern sky . It is around 7700 light years away from the solar system, has a diameter of around 9 light years and is around 40 million years old.
It may form a double cluster with NGC 7790 , which is about a quarter of a degree to the southeast.
The object was discovered on October 5th, 1829 by John Herschel .
- NASA / IPAC EXTRAGALACTIC DATABASE
- SEDS : NGC 7788
- A site Devoted to Stellar Clusters in the Galaxy and the Magellanic Clouds