Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Cocoon nebula  ·  IC 5146
IC5146 - The Cocoon Nebula, Derryk
IC5146 - The Cocoon Nebula
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IC5146 - The Cocoon Nebula

IC5146 - The Cocoon Nebula, Derryk
IC5146 - The Cocoon Nebula
Powered byPixInsight

IC5146 - The Cocoon Nebula

Equipment

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Acquisition details

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Description

Also known as Sh 2-125, the Cocoon Nebula is an emission & reflection nebula in the constellation Cygnus. It is located at about 4,000 light-years away and spans about 15 light-years across.

Taken in August 2018 from Campbell, CA, USA. Sky: 18.80 mag/arcsec^2



Total integration: 1270 mins (21 hrs 10 mins)



Details, Equipment, & Software:

Telescope: Astro-Tech AT10RCT (FL2000mm f/8)

Camera: SBIG STF-8300m (-10°C)

Filter: Astrodon 36mm LRGB

Guide: OAG-8300 with QHY5III174

Focuser: Moonlite CSL w/ high res stepper motor

Mount: Astro-Physics AP1100GTO

Capture: Sequence Generator Pro

Frames:

Astrodon L: 82x300s

Astrodon R: 58x300s

Astrodon G: 58x300s

Astrodon B: 56x300s

Stacking/Final Processing: Pixinsight

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IC5146 - The Cocoon Nebula, Derryk