Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble nebula  ·  NGC 7635
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NGC 7635:  The Bubble Nebula in Modified HST Palette, Brian Gfeller
NGC 7635:  The Bubble Nebula in Modified HST Palette
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NGC 7635: The Bubble Nebula in Modified HST Palette

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Description

This is my first fully narrowband image using my new setup with the Paramount MX and the 10" LX200 Classic (which I've had for a number of years).

From APOD:

Blown by the wind from a massive star, this interstellar apparition has a surprisingly familiar shape. Cataloged as NGC 7635, it is also known simply as The Bubble Nebula. Although it looks delicate, the 10 light-year diameter bubble offers evidence of violent processes at work. Above and right of the Bubble's center is a hot, O star, several hundred thousand times more luminous and around 45 times more massive than the Sun. A fierce stellar wind and intense radiation from that star has blasted out the structure of glowing gas against denser material in a surrounding molecular cloud. The intriguing Bubble Nebula lies a mere 11,000 light-years away toward the boastful constellation Cassiopeia.

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NGC 7635:  The Bubble Nebula in Modified HST Palette, Brian Gfeller