M83 - Southern Pinwheel Galaxy
M83 is a face-on barred spiral galaxy often compared to M101 for its similar appearance. It holds the record for the most supernovae discovered in any Messier galaxy.
Distance: 14.7 million light-years
Apparent Magnitude: 7.54
Apparent Size: 15' × 13'
Constellation: Hydra
Morphology: SAB(s)c (barred spiral)
Key Features:
- Face-on grand design spiral
- 6 supernovae recorded
- Strong central bar
- Active star formation in spiral arms
- Resembles M101 (Northern Pinwheel)
Best Imaging Season: March - July
Optimal Integration: 12+ hours
