NGC 7538 - Emission Nebula
NGC 7538 is an emission nebula in Cepheus containing one of the largest protostars known.
Distance: 9,100 light-years
Apparent Size: 10' × 5'
Constellation: Cepheus
Object Type: Emission Nebula
Key Features:
- Contains massive protostar
- Active star formation
- Dense molecular core
- Part of Cassiopeia complex
- Challenging target
Best Imaging Season: August - November
Optimal Integration: 12+ hours
