M67 - Open Cluster
M67 is one of the oldest known open clusters and the closest to our Sun's age. Its stars have a similar composition to the Sun, making it important for stellar studies.
Distance: 2,700 light-years
Apparent Magnitude: 6.10
Apparent Size: 30'
Constellation: Cancer
Object Type: Open Cluster
Key Features:
- Age: 3.2-5 billion years (Sun-like)
- ~500 stars
- Similar chemical composition to Sun
- Important for stellar evolution studies
- Trumpler classification: II2r
Best Imaging Season: January - May
Optimal Integration: 3+ hours