Abell 33

Abell 33 is a spherical planetary nebula located in the constellation Hydra. Here's a summary of its key features:
Shape: Spherical, giving it a unique appearance.
Location: Constellation Hydra, approximately 2,700 light-years away from Earth.
"Diamond Ring" Effect: A nearby star (HD 83535) aligns with the nebula's rim, creating a striking visual effect.
Faintness: It's a relatively faint object, making it challenging to observe.
Coloration: Primarily due to the emission of doubly ionized oxygen (OIII).
In essence, Abell 33 is a fascinating celestial object that showcases the diverse and beautiful phenomena occurring within our universe.