Backyardastronomy.net

Astrophotography Gallery

NGC 2403 - Spiral Galaxy NGC 2403 is a nearby intermediate spiral galaxy in the M81 Group, similar to M33 but less well-known. It shows excellent detail in moderate telescopes. Distance: 8 million light-years Apparent Magnitude: 8.43 Apparent Size: 22' × 12' Constellation: Camelopardalis Morphology: SAB(s)cd (intermediate spiral) Key Features: - Member of M81 Group - Large angular size (similar to M33) - Multiple HII regions visible - Two supernovae in 2004 - Excellent target for moderate telescopes - Shows nice detail with modest integration Best Imaging Season: November - March Optimal Integration: 10+ hours