Abell 39
Abell 39 is a planetary nebula located approximately 3,800 light-years away in the northern constellation Hercules. It has an integrated apparent visual magnitude of 13.7… Read More »Abell 39
Abell 39
Soap Bubble Nebula
The Soap Bubble Nebula is a planetary nebula located near the larger and better known Crescent Nebula (NGC 6888) in the constellation Cygnus. Notable for… Read More »Soap Bubble Nebula