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Hydrogen Clouds of the Bubble Nebula, 


            Roland Christen
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Hydrogen Clouds of the Bubble Nebula

Imaging telescopes or lenses: Astro-Physics Inc. 160EDF refractor

Imaging cameras: QSI 683 wsg-8

Mounts: Astro-Physics Inc Mach2 GTO Encoder mount

Guiding cameras: Starlight Xpress Lodestar Autoguider

Software: Software Bisque SkyX  ·  Cyanogen Maximdl5

Filters: Astrodon 1.25"

Dates:Aug. 29, 2020

Frames:Astrodon 1.25": 8x3600" bin 1x1

Integration: 8.0 hours

Avg. Moon age: 11.21 days

Avg. Moon phase: 86.35%

Bortle Dark-Sky Scale: 8.00

Astrometry.net job: 3833565

RA center: 23h 21' 34"

DEC center: +61° 16' 44"

Pixel scale: 1.281 arcsec/pixel

Orientation: -2.085 degrees

Field radius: 0.740 degrees

Resolution: 3326x2504

Data source: Backyard


Deep narrowband image of the hydrogen clouds surrounding the Bubble Nebula in Cassiopeia. Each 1 hour sub exposure was taken with "nudge guiding" technique with the Mach2 mount running in modeling mode.



Roland Christen
License: None (All rights reserved)

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Hydrogen Clouds of the Bubble Nebula, 


            Roland Christen