post-AGB star
type of luminous supergiant star
R Sagittae
variable star in the constellation Sagitta
U Aquarii
variable star in the constellation Aquarius
R Coronae Borealis
yellow supergiant star in the constellation Corona Borealis
S Apodis
variable star in the constellation Apus
SU Geminorum
Mira variable star in the constellation Gemini
Red Rectangle Nebula
planetary nebula
Westbrook Nebula
aspherical protoplanetary nebula which is located in the constellation Auriga
V Coronae Australis
variable star in the constellation Corona Australis
Boomerang Nebula
protoplanetary nebula
RV Tauri
variable star
Cotton Candy Nebula
protoplanetary nebula
Frosty Leo Nebula
astronomical object
Water Lily Nebula
Protoplanetary Nebula
SX Centauri
star in the constellation Centaurus
PS Geminorum
variable star
Egg Nebula
protoplanetary nebula