Category:Spiral_galaxies

Category:Spiral galaxies

This category contains galaxies in the S (de Vaucouleurs for indeterminate) category or any galaxy where it is indeterminate whether the galaxy is SA, SB or SAB in its spiral nature.

SA, S (Hubble) galaxies should be categorized under Category:Unbarred spiral galaxies
SB galaxies should be categorized under Category:Barred spiral galaxies
SAB galaxies (intermediate morphology) should be categorized under Category:Intermediate spiral galaxies
Lenticular galaxies (S0, SA0, SAB0, SB0, E8) are categorized under Category:Lenticular galaxies
Irregular galaxies with some spiral aspects (Irr-I type Sm) are categorized under Category:Irregular galaxies
When the type of spiral is ambiguous categorize it here.

An example of a spiral galaxy (Pinwheel Galaxy).

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This article uses material from the Wikipedia article Category:Spiral_galaxies, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.