15 Jan 2026
The Lagoon Nebula (also known as M 8, or NGC 6523) is a diffuse nebula visible in the constellation Sagittarius; it was discovered by Giovan Battista Hodierna in 1654.
It is one of the brightest H II regions in the sky and is visible to the naked eye under fairly clear, dark skies.
M8
5 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 117 | 35m | 18 |
| Red | 124 | 35m | 17 |
| Green | 88 | 25m | 17 |
| Blue | 88 | 25m | 17 |
| Halpha | 1094 | 5h10m | 17 |