Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble nebula  ·  NGC 7635
The Bubble Nebula from Bethlehem PA_11-5-16, Michael Savo
The Bubble Nebula from Bethlehem PA_11-5-16
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The Bubble Nebula from Bethlehem PA_11-5-16

The Bubble Nebula from Bethlehem PA_11-5-16, Michael Savo
The Bubble Nebula from Bethlehem PA_11-5-16
Powered byPixInsight

The Bubble Nebula from Bethlehem PA_11-5-16

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The Bubble Nebula is a very interesting object in Cassiopeia. The bright star seen in the bubble (right side in this image) was born in the nebula. It is Wolf-Rayet star. These are big hot stars that emit lots of energy. That energy pushed away the surrounding gas in the nebula and created the bubble. It is a personal favorite of mine. This my 5th attempt at it and my best ( IMHO)

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The Bubble Nebula from Bethlehem PA_11-5-16, Michael Savo