Tycho’s Supernova (SN 1572)
Tycho’s Supernova (3C 10, SN 1572) is a supernova remnant located approximately 8,000 to 9,800 light-years away in the constellation Cassiopeia. The supernova event that… Read More »Tycho’s Supernova (SN 1572)
Cassiopeia
Sailboat Cluster (NGC 225)
The Sailboat Cluster is a bright, young open star cluster located approximately 2,200 light-years away in the northern constellation of Cassiopeia. It is listed as… Read More »Sailboat Cluster (NGC 225)
Medulla Nebula (CTB 1)
The Medulla Nebula (CTB 1) is a large supernova remnant located in the constellation Cassiopeia. The expanding gas shell is associated with the Cannonball Pulsar… Read More »Medulla Nebula (CTB 1)
Little Rosette Nebula (Sh2-170)
The Little Rosette Nebula (Sh2-170) is an emission nebula located approximately 7,500 light years away in the constellation Cassiopeia. It lies in the Perseus Arm… Read More »Little Rosette Nebula (Sh2-170)
Shrimp Nebula (Sh2-188)
The Shrimp Nebula is a planetary nebula located more than 2,000 light years away in the northern constellation Cassiopeia. It is catalogued as Sharpless 188… Read More »Shrimp Nebula (Sh2-188)
Cassiopeia A
Cassiopeia A (Cas A) is the remnant of a supernova that occurred approximately 11,000 light-years away in the constellation Cassiopeia. The light from the supernova… Read More »Cassiopeia A
Fish Head Nebula (IC 1795)
The Fish Head Nebula is an emission nebula located approximately 6,000 light-years away in the northern constellation Cassiopeia. The nebula is 3.1 arcminutes across and… Read More »Fish Head Nebula (IC 1795)