M82 - Cigar Galaxy
M82 is a starburst galaxy experiencing intense star formation, likely triggered by interaction with M81. Its edge-on orientation reveals spectacular dust lanes and red hydrogen jets.
Distance: 11.5 million light-years
Apparent Magnitude: 8.41
Apparent Size: 11' × 4'
Constellation: Ursa Major
Morphology: I0 (starburst irregular)
Key Features:
- Intense starburst activity (10x Milky Way rate)
- Red hydrogen jets perpendicular to disk
- Edge-on orientation shows dust lanes
- Interacting with M81
- 197 supernova remnants detected
- Galactic wind from starburst activity
Best Imaging Season: January - May
Optimal Integration: 8+ hours for jets