Star Clusters Photograph

NGC 4609 Coal Sack Cluster

Capture
Seestar s50 38 stacks
Date
15 March 2026
Location
Camden, NSW
Original
1080 × 1920 px

NGC 4609 Coal Sack Cluster is an open cluster of stars in the southern constellation of Crux. It is situated beyond the Coalsack Nebula at an estimated distance of 4,500 ly. This is an intermediate age cluster estimated at 83.2 million years old. It is a poorly populated cluster with just one red giant member. 33 probable members have been identified. Apparent magnitude 6.9

See it in the star clusters gallery