02 Oct 2025
This dataset is comprised of 3 master frames
IC 5146, or the Cocoon Nebula, is a star-forming region in the constellation Cygnus, about 3,300 light-years from Earth. It consists of a red emission nebula caused by excited hydrogen, bluish reflection nebulae, and dark nebulae formed by interstellar dust. Within IC 5146 lies a recently formed star cluster, energized by a massive central star.
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 720 | 2h | 10 |
| Red | 233 | 35m | 9 |
| Blue | 133 | 20m | 9 |
| Green | 167 | 25m | 9 |