The Blue Planetary Nebula in Centaurus.
Tag: toroid
Ring Nebula
The Ring Planetary Nebula in Lyra.
Supernova Remnant
A supernova remnant in the constellation of Norma.
Retina Nebula
A Unique Planetary Nebula in Scorpius.
The Cheerio Nebula
A Planetary Nebula in Scorpius
Cosmic Focus 