IC5146 - Cocoon Nebula
The Cocoon Nebula is a combined emission and reflection nebula with a dark nebula trail leading away from it. It contains a young open cluster.
Distance: 3,300 light-years
Apparent Magnitude: 7.20
Apparent Size: 12' × 10'
Constellation: Cygnus
Object Type: Emission + Reflection Nebula
Key Features:
- Contains cluster Collinder 470
- Dark nebula trail (Barnard 168)
- Active star formation
- Embedded young stars
- Combination emission/reflection
Best Imaging Season: July - October
Optimal Integration: 10+ hours