swap_horiz W3 Complex Alternatives
Looking for alternatives to W3 Complex? Compare the top Nebula options ranked by our AI scoring system.
W3 Complex
The W3 Complex is a large star-forming region in the Perseus spiral arm of the Milky Way, in the direction of the constellation Cassiopeia. It contains molecular clouds, ionized gas, young stellar objects, and several sites where massive stars are forming. Astronomers study W3 because its combinatio...
apps Top W3 Complex Alternatives
The top alternative to W3 Complex in 2026 is IC 1805 with a score of 8.7/10, followed by Sharpless 2-190 (8.7) and Heart Nebula (IC 1805) (8.5).
IC 1805
IC 1805, commonly known as the Heart Nebula, is a large emission nebula located in the constellation Cassiopeia. The neb...
Sharpless 2-190
Sharpless 2-190 is the emission nebula commonly called the Heart Nebula, located in the constellation Cassiopeia within...
Heart Nebula (IC 1805)
The Heart Nebula, cataloged as IC 1805, is a large emission nebula located in the constellation Cassiopeia. Its recogniz...
Soul Nebula (IC 1848)
The Soul Nebula (IC 1848) is a large emission nebula and active star-forming region located in the constellation Cassiop...
IC 1848
IC 1848, commonly known as the Soul Nebula, is an emission nebula in the constellation Cassiopeia, approximately 7,500 l...
Sharpless 2-199
Sharpless 2-199, also catalogued as Westerhout 5 (W5) and popularly known as the Soul Nebula, is an emission nebula and...
Sharpless 2-184
Sharpless 2-184 is an emission nebula and star-forming region in the constellation Cassiopeia, more commonly catalogued...
Pacman Nebula (NGC 281)
The Pacman Nebula, catalogued as NGC 281, is an emission nebula and H II region in the constellation Cassiopeia. Ultravi...
Sharpless 2-157
Sharpless 2-157 is an emission nebula located within the Cassiopeia constellation. Identified by astronomer Stewart Shar...
Sh2-157
Sh2-157, also known as the Lobster Claw Nebula, is an emission nebula located within the Cassiopeia OB2 association. Thi...
Lobster Claw Nebula
The Lobster Claw Nebula, formally Sh2-157, is an emission nebula located within the Cassiopeia constellation. It’s notab...
NGC 281
NGC 281 is an emission nebula and active star-forming region in the constellation Cassiopeia, commonly called the Pacman...
NGC 896
NGC 896 is a bright emission nebula in the constellation Cassiopeia, forming the western portion of the larger Heart Neb...
Fishhead Nebula (IC 1795)
IC 1795, known as the Fishhead Nebula, is a bright emission nebula in the constellation Cassiopeia. It is part of the sa...
IC 1795 (Fish Head Nebula)
IC 1795, commonly called the Fish Head Nebula, is an emission nebula and star-forming region in the constellation Cassio...
Fish Head Nebula
The Fish Head Nebula is the common name for IC 1795, an emission nebula in the constellation Cassiopeia. It lies roughly...
Sh2-199
Sh2-199, commonly known as the Soul Nebula or W5, is a large emission nebula located in the constellation Cassiopeia. It...
Sh2-162
Sh2-162, formally cataloged as NGC 7635 and commonly known as the Bubble Nebula, is an emission nebula located in the co...
Lobster Claw Nebula (Sh2-157)
The Lobster Claw Nebula, catalogued as Sh2-157, is an emission nebula and H II region in the constellation Cassiopeia. I...
Phantom of the Opera Nebula
The Phantom of the Opera Nebula is the informal name for Sh2-173, a Cassiopeia H II region whose mask-like form is linke...
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