Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble nebula  ·  M 52  ·  NGC 7635  ·  NGC 7654
The Bubble Nebula (NGC 7635) and Open Cluster M52 (Ha + RGB), Scott Davis
The Bubble Nebula (NGC 7635) and Open Cluster M52 (Ha + RGB)
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The Bubble Nebula (NGC 7635) and Open Cluster M52 (Ha + RGB)

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Description

The Bubble Nebula, shown at right, and catalogued as NGC 7635, is a large emission nebula in the constellation Cassiopeia. The bubble itself is created by hot stellar wind coming from the central star. The nebula is estimated to lie between 7,100 and 11,000 light years from Earth. To the left sits Open Cluster M52, which is easily viewable with both binoculars and modest telescopes. It is estimated to contain approximately 190 member stars and lies at a distance of approximately 5,000 light years from Earth.

RGB data was captured from the Big Stump parking lot in Kings Canyon National Park. Hydrogen-Alpha data was captured from my backyard in Clovis, California.

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The Bubble Nebula (NGC 7635) and Open Cluster M52 (Ha + RGB), Scott Davis