The Cocoon nebula is an interesting combination of emission reflection and dark nebulae. It is a stellar nursery powered by the compact cluster IC 5146. It is 4000 LY distant in Cygnus.

This is a mixed focal length image combining color and Ha data shot a few years ago with a short focal length refractor (FSQ 85) with recent luminance data shot with the SCT (9.25' Edge).

Color / Ha data:

Imaging Camera: QSI640wsg
Imaging Scope: Takahashi FSQ85ED@F/5.3
Guide Camera: SX Lodestar
Mount: Avalon M-Uno
Filters: Astrodon 5nm Ha, LRGB
Exposure: 120 minutes (15 minute subs)Ha, 120 minutes Luminance (5 minute subs) 40 minutes each RGB (5 minute subs).
Processing: CCD Stack and PS CC
Date: 8/6/16 Location: My front driveway. Morristown, NJ

Luminance data:

Imaging Camera: QSI640wsg
Imaging Scope: Celestron 9.25"Edge HD at f/7
Guide Camera: SX Lodestarx2
Mount: Avalon M-Uno Fast Reverse
Filters: Astrodon Gen II Lum
Exposure: 300 min Lum, 3 min subs binx1
Capture: APT
Processing: CCD Stack and PS CC
Date:7/25/20
Sky conditions: Average seeing, Bortle white skies, SQM 17.8 mag/arc-sec2
Location: My front driveway. Morristown, NJ