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The Bubble Nebula

17 Aug 2025

The Bubble Nebula

NGC7635, the Bubble Nebula

© Alan Cayless all rights reserved.

The Bubble Nebula in Cassiopeia, also designated as NCG7635 or Caldwell 11. The bubble within this emission nebula is formed by a shock wave emanating from a central star. Imaged using a triband filter.

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