M67

Discovered in 1779, M67 in the constellation Cancer is one of the oldest known open clusters.
It’s current age is estimated between 3.2 and 5 billion years.

M67 has more than 100 stars which are quite similar to our Sun, and countless red giants.
The total amount of stars must be well over 500.

The cluster lies at a distance of 2.700 light years.