swap_horiz Sh2-155 Alternatives
Looking for alternatives to Sh2-155? Compare the top Nebula options ranked by our AI scoring system.
Sh2-155
Sh2-155, also known as the Cave Nebula, is a dark emission nebula located within the Cepheus B cloud approximately 2,400 light-years from Earth. This Caldwell 9 H II region exhibits ongoing star formation and displays a distinctive cave-like structure due to dense dust clouds. Astronomers and resear...
apps Top Sh2-155 Alternatives
The top alternative to Sh2-155 in 2026 is Horsehead Nebula with a score of 9.42/10, followed by Sh2-275 (9.18) and Elephant's Trunk Nebula (9.04).
Horsehead Nebula
The Horsehead Nebula, formally known as Barnard 33, is an emission nebula located within the Orion constellation. It’s a...
Sh2-275
Sh2-275 represents the Rosette Nebula an emission nebula located within the Monoceros constellation. This star-forming r...
Elephant's Trunk Nebula
The Elephant’s Trunk Nebula, formally IC 1396A, is a dark emission nebula located in the Cepheus constellation approxima...
Sh2-276
Sh2-276, also known as Barnard’s Loop, is a vast emission nebula situated within the Orion constellation. Observed by E....
NGC 7822
NGC 7822 is a vibrant emission nebula located within the Cepheus constellation. It’s notable for its active star formati...
Squid Nebula
The Squid Nebula, formally designated OU4, is a faint emission nebula located within the Cepheus OB Association. It’s re...
Ou4
Ou4 represents a significant bipolar emission nebula situated within the Sh2-129 star formation region of the Cepheus co...
Sh2-129
Sh2-129, also known as the Flying Bat Nebula, is a significant emission nebula located within the Cepheus OB2 associatio...
Flying Bat Nebula
The Flying Bat Nebula, also known as SH2-129, is a diffuse emission nebula located in the Cepheus constellation. It’s re...
Cave Nebula
The Cave Nebula, officially Sh2-155, is a diffuse emission nebula located within the Cepheus OB3 star cluster. It’s nota...
Lion Nebula
The Lion Nebula, catalogued as Sharpless 2-132, is a large emission nebula and H II region in the constellation Cepheus....
Sh2-132
Sh2-132, commonly known as the Lion Nebula, is a large emission and diffuse nebula located in the constellation Cepheus....
Sh2-171
Sh2-171, also catalogued as NGC 7822, is a vast emission nebula and star-forming complex located in the constellation Ce...
Sharpless 2-155
Sharpless 2-155, commonly known as the Cave Nebula, is a diffuse emission nebula in the constellation Cepheus. It was ca...
Sh2-142
Sh2-142 is an H II emission nebula in the constellation Cepheus, commonly known as the Wizard Nebula. It is associated w...
Sh2-82
Sh2-82, commonly called the Little Cocoon Nebula, is a compact nebular complex in the constellation Sagitta. Cataloged i...
Sh2-140
Sh2-140 is an emission nebula and H II region in the constellation Cepheus, catalogued in Stewart Sharpless's list of Ga...
Sharpless 2-140
Sharpless 2-140, also known as S140, is an emission nebula and H II region in the constellation Cepheus, associated with...
Lion Nebula (Sh2-132)
The Lion Nebula, designated Sh2-132, is an emission nebula and H II region in the constellation Cepheus. Ionization from...
Cave Nebula (Sh2-155)
Cave Nebula, also designated Sh2-155, is a diffuse emission nebula in Cepheus associated with the edge of a large molecu...
summarize Quick Comparison Summary
See all Nebula ranked by score
emoji_events View Full Nebula Rankings