27 Oct 2026
IC 1318 (also known as Gamma Cygni Nebula) is the diffuse emission nebula and a H II region surrounding the star Sadr (γ Cygni) at the centre of Cygnus's cross thus getting a nickname Sadr Region. The Sadr Region is one of the surrounding nebulous regions; others include the Butterfly Nebula and the Crescent Nebula. It contains many dark nebulae in addition to the emission diffuse nebulae.
IC 1318 - The Butterfly Nebula
20 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| SII | 1169 | 12h40m | 39 |
| Halpha | 1200 | 8h40m | 26 |
| OIII | 1200 | 12h20m | 37 |