Hemisphere:  Northern  ·  Contains:  Bubble Nebula  ·  NGC 7635
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The Shining Bubble - NGC 7635, 



    
        

            Ivaylo Stoynov
The Shining Bubble - NGC 7635
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The Shining Bubble - NGC 7635

Technical card

Imaging telescopes or lenses: TS-Optics RC 10" Truss

Imaging cameras: QHYCCD QHY 22

Mounts: iOptron CEM60

Guiding cameras: QHY5L-II Mono

Focal reducers: TS-Optics CCD47-S x0.67

Software: PixInsight PixInsinght 1.8 RC7  ·  PHD guiding  ·  APT - Astro Photography Tool

Filters: Astrodon S-II 3nm  ·  Astrodon O-III 3nm  ·  Astrodon HII-3nm

Accessory: OAG


Frames: 152x900"

Integration: 38.0 hours


Basic astrometry details

Astrometry.net job: 4152898

RA center: 23h 20' 36"

DEC center: +61° 10' 51"

Pixel scale: 0.678 arcsec/pixel

Orientation: 170.960 degrees

Field radius: 0.324 degrees


Resolution: 2694x2134

Locations: Nedelkovo, near Sofia, Bulgaria

Data source: Backyard

Description

NGC 7635, also known as the Bubble Nebula or Sharpless 162 was discovered in 1787 by William Herschel. At distance of ~7100 ly in constellation Cassiopeia, the bubble is 7 light years in diameter and is formed by very hot and massive O-star - the one at 6 o'clock near the border. The hot stellar winds forming the nebula are facing bigger resistance cold interstellar clouds in the lower part of the image than in the other directions, so the nebula expands uneven. This is the reason the star to be off the bubble center. The nearby cool hydrogen gas is shaped in pillars similar to the famous "Pillars Of Creation" and their presence is a sing of possible star formation activities.

Imaged in six nights- September 05, 06, 11, 12, 15, 16
Total 38 hours in subs: HII - 51x15min, OIII - 48x15min, SII - 53x15min
SHO palette with synthetic luminance created from the narrowband stacks

Comments

Author

Yoddha
Ivaylo Stoynov
License: None (All rights reserved)
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            Ivaylo Stoynov
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            Ivaylo Stoynov
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The Shining Bubble - NGC 7635, 



    
        

            Ivaylo Stoynov