Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  HD220057  ·  LBN 548  ·  LBN 549  ·  LDN 1231  ·  NGC 7635  ·  Sh2-162
NGC7635 (Bubble Nebula) Really High Resolution, Alpha Zhang
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NGC7635 (Bubble Nebula) Really High Resolution

NGC7635 (Bubble Nebula) Really High Resolution, Alpha Zhang
Powered byPixInsight

NGC7635 (Bubble Nebula) Really High Resolution

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Description

The NGC7635 bubble nebulae, famous for an image taken by Hubble Space Telescope.  I took this image is also in Hubble Plate but the stars are in RGB.
This area is a rich HII region,  the background nebulae created by huge Ha and SII signals.
And the “bubble” itself was created by stellar winds from a massive hot blue Wolf-Rayet star, AO 20575, that shed its material about 300,000 years ago to form the bubble. This star is 44 times larger than our sun.  The Bubble itself is found in a massive molecular cloud that acts to contain the bubble's expansion and is excited by the same star, causing it to glow as well.

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