Bubble Nebula NGC 7635

NGC 7635, also known as the Bubble Nebula, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. The Bubble Nebula in 4K

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Planewave CDK17, ZWO ASI2600MC Duo, Paramount MEII mount. 4.3 hour image At Desert Astro Observatory in Sierra Vista Dark skies. 11/14/25