Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Cocoon Nebula  ·  IC 5146
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Cocoon Nebula (LRGB), 


            Trevor Jones
Cocoon Nebula (LRGB)
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Technical card

Imaging telescopes or lenses: Sky-Watcher Esprit 150 ED Super APO

Imaging cameras: Starlight Xpress Trius PRO-694 Mono

Mounts: Sky-Watcher EQ8-R Pro

Guiding cameras: Starlight Xpress Lodestar Autoguider X2

Focal reducers: Sky-Watcher Field Flattener Esprit 150

Software: Astro Photography Tool APT  ·  photoshop cc  ·  DeepSkyStacker (DSS) Deepskystacker 3.3.6

Filters: Astronomik Lum 1.25"  ·  Astronomik Blue (1.25")  ·  Astronomik Green (1.25")  ·  Astronomik Red (1.25")

Accessory: Starlight Xpress filter-wheel 7x1,25"

Integration: 0.0 hours

Basic astrometry details

Astrometry.net job: 3694865

RA center: 21h 53' 31"

DEC center: +47° 15' 54"

Pixel scale: 0.690 arcsec/pixel

Orientation: 277.163 degrees

Field radius: 0.249 degrees

Resolution: 1620x2025

Locations: My Backyard, St. Catharines, Ontario, Canada

Data source: Backyard


The Cocoon Nebula (LRGB)

I've spent another 5 hours processing this one, focusing on better stars, and less color noise.

Equipment Details:

Sky-Watcher Esprit 150
Starlight Xpress SX-42 Kit
Sky-Watcher EQ8-R Pro

Captured using Astro Photography Tool
Autoguiding with PHD2 Guiding
Stacking and Calibration in DeepSkyStacker
Processing in Adobe Photoshop 2020

Photo Details:

Luminance Filter: 1 Hour, 30 Minutes
Red Filter: 1 Hour, 40 Minutes
Green Filter: 1 Hour, 49 Minutes
Blue Filter: 1 Hour, 39 Minutes


Sky plot

Sky plot


Cocoon Nebula (LRGB), 


            Trevor Jones