M8 - Lagoon Nebula
The Lagoon Nebula is a giant emission nebula and one of the finest nebulae for astrophotography. It contains an open cluster (NGC 6530) and shows stunning dark lanes and bright regions.
Distance: 4,100 light-years
Apparent Magnitude: 6.00
Apparent Size: 90' × 40' (3x Moon)
Constellation: Sagittarius
Object Type: Emission Nebula (HII region)
Key Features:
- Contains open cluster NGC 6530
- Hourglass Nebula structure inside
- Multiple dark lanes (Barnard 88, 89, 296)
- Active star formation region
- Visible to naked eye under dark skies
Best Imaging Season: June - September
Optimal Integration: 10+ hours (Ha/OIII/LRGB)