28 Jul 2021
NGC 6888 commonly known as the Crescent or Brain nebula, is a cosmic bubble blown by winds from its bright central wolf-rayet star shedding its out envelope. It can be found in the constellation of Cygnus, the swan, near another popular star, Sadr.
NGC 6888
2 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Halpha | 930 | 2h35m | 10 |
| Luminance | 42 | 7m | 10 |
| Red | 12 | 2m | 10 |
| Green | 27 | 4m | 9 |
| Blue | 13 | 2m | 9 |