NGC 559 [SEP] constellation
NGC 559
NGC 559, also Caldwell 8, is an open cluster 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. The cluster is 7 arcmins across.
- M107 NGC 6171
- M108 NGC 3556
- M109 NGC 3992
- M110 NGC 205
Herschel 400 objects which are also Caldwell objects.
The Herschel 400 catalogue pre-dates the Caldwell catalogue. The Caldwell catalogue contains 44 objects which are members of the Herschel 400:
- C2 NGC 40 Bow-Tie Nebula
- C6 NGC 6543 Cat's Eye Nebula
- C7 NGC 2403
- C8 NGC 559
- C10 NGC 663
- C12 NGC 6946
- C13 NGC 457 Owl Cluster