NGC 559 on:
[Wikipedia]
[Google]
[Amazon]
NGC 559 (also known as Caldwell 8) is an 
open cluster
An open cluster is a type of star cluster made of up to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age. More than 1,100 open clusters have been discovered within the Milky Way galaxy, an ...
and Caldwell object in the constellation Cassiopeia. It shines at magnitude +9.5. Its celestial coordinates are RA , dec . It is located near the open cluster NGC 637, and the bright magnitude +2.2 irregular variable star Gamma Cassiopeiae
Gamma Cassiopeiae, Latinized from γ Cassiopeiae, is a bright star at the center of the distinctive "W" asterism in the northern circumpolar constellation of Cassiopeia. Although it is a fairly bright star with an apparent visual mag ...
. The cluster is 7 arcmins across.
References
External links
* * * * * {{DEFAULTSORT:NGC 0559 Open clusters 0559 008b Cassiopeia (constellation) 17871109