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NGC 9

Galaxy in the constellation Pegasus

Wikipedia contributorsAdapted for Fathomly · View authors

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Source updated September 3, 2026

Image credit is listed at the end of this article.

NGC 9 is a spiral galaxy about 140 million light-years away in the Pegasus constellation. It was discovered on 27 September 1865 by Russian astronomer Otto Wilhelm von Struve.

01Supernova

One supernova has been observed in NGC 9: SN 2021zju (type Ib, mag. 18.15).

Watch videos about NGC 9Explainers and documentaries on YouTube (opens in a new tab)

Sources and credits

This article is adapted from the Wikipedia article “NGC 9”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.

Images, from Wikimedia Commons:

NGC 9 Legacy Surveys DR9.jpg by Legacy Surveys / D. Lang (Perimeter Institute), CC BY 4.0

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