Eagle Creek Observatory
"Teaching young minds about the heavens"

Deep Sky Objects in Cassiopeia
Here is a listing of the brightest Deep Sky Objects in Cassiopeia down to about magnitude 12.
The table is sorted by NGC number. If an IC or Messier number is associated with the object it is also noted.
Each entry will have a link to the Simbad and Aladin databases for further information. Click on the NCG/IC/Messier number to access these databases. There are also links to the Digitized Sky Survey site which has images taken in red light. These very detailed images are each 14x14 arc-seconds wide and are about 300k in size. For more about the Digitized Sky Survey click HERE.

Click HERE for an ETX tour.

NGC IC Messier Type Size
(arc sec)
Mag RA Dec DSS Other Name or comments
771     Other ??? 4 02:03.5 72:25 X  
278     Galaxy 2.4/2.4 11.5 00:52.1 47:33 X  
185     Galaxy 11.5/9.7 10.3 00:39.0 48:20 X  
147     Galaxy 13/7.9 10.6 00:33.2 48:30 X  
  10   Galaxy 6.4/5.3 11.8 00:20.4 59:18 X  
133     OC 7 9.5 00:31.1 63:21 X  
136     OC 1 11.5 00:31.5 61:31 X  
457     OC 13 8 01:19.1 58:20 X DRAGONFLY/ET/OWL/PHI CASSIOPEIAE CLUSTER
129     OC 21 10 00:29.9 60:13 X  
7654   52 OC 13 8 23:24.2 61:35 X CASSIOPEIA SALT-AND-PEPPER/OCTOBER SALT-AND-PEPPER CLUSTER
103     OC 5 11 00:25.3 61:20 X  
189     OC 4 11 00:38.7 61:03 X  
225     OC 12 9 00:43.5 61:47 X SAILBOAT CLUSTER
581   103 OC 6 7 01:33.3 60:43 X  
281     OC 35 7.5 00:52.9 56:37 X PACMAN NEBULA
366     OC 1.2/0.8 12 01:06.5 62:14 X  
146     OC 7 9.5 00:33.0 63:16 X  
436     OC 6 9.5 01:15.6 58:49 X  
559     OC 4 7.5 01:29.5 63:19 X  
637     OC 4 7.5 01:43.1 64:01 X  
654     OC 5 10 01:43.9 61:54 X  
659     OC 5 10 01:44.2 60:43 X  
663     OC 16 7.5 01:46.0 61:14 X  
1027     OC 20 7.5 02:42.6 61:32 X  
7788     OC 9 9.5 23:56.8 61:23 X  
7789     OC 16 9.5 23:57.1 56:43 X  
7790     OC 17 7 23:58.5 61:12 X  
  166   OC ??? 11.7 01:52.5 61:50 X  
381     OC 6 9.5 01:08.4 61:35 X  
  1848   OC+Neb ??? 6.5 02:51.2 60:26 X  
  1805   OC+Neb ??? 6.5 02:32.7 61:27 X HEART NEBULA
  289   PN ??? 12 03:10.3 61:19 X  

OC - Open Cluster PN - Planetary Nebula, GC - Globular Cluster, Ir Gal - Irregular Galaxy

Image created using TheSky 5.0 Level IV
available from Bisque Software


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2003 Kevin Muenzler, Eagle Creek Observatory.