Caldwell 19 • IC 5146 - Cocoon Nebula
Caldwell 19, commonly known as the Cocoon Nebula, is a bright emission and reflection nebula located in the constellation Cygnus. The nebula marks the end of a long dark dust lane known as Barnard 168, and contains a young star cluster embedded within glowing hydrogen gas and blue reflection regions.
That elongated dark space with almost no stars is B168, also known as LND 1055.
Object Data
Caldwell:Caldwell 19
Object:IC 5146
Type:Emission + reflection nebula
Constellation:Cygnus
Distance:~3,300 light-years
Observation Data
Location:Pollux Observatory, Zuidlaren
Date: 2021-12-20
Technical Data
Exposure time:Ha- 70 x 200s
Total: 3.9 h
Total: 3.9 h
Telescope:Takahashi FSQ106 ED
Camera:ZWO ASI 1600mm Pro
Color palette: Ha
Filters:Astronomik 6 nm