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 9.4/10, followed by Sh2-275 (9.2) and Elephant's Trunk Nebula (9.0).
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....
Elephant's Trunk Nebula (IC 1396A)
The Elephant's Trunk Nebula, designated IC 1396A, is an elongated concentration of gas and dust within the much larger I...
Ou4
Ou4 represents a significant bipolar emission nebula situated within the Sh2-129 star formation region of the Cepheus co...
Squid Nebula
The Squid Nebula, formally designated OU4, is a faint emission nebula located within the Cepheus OB Association. It’s re...
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...
Lion Nebula (Sh2-132)
The Lion Nebula, designated Sh2-132, is an emission nebula and H II region in the constellation Cepheus. Ionization from...
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...
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...
Sharpless 2-140
Sharpless 2-140, also known as S140, is an emission nebula and H II region in the constellation Cepheus, associated with...
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