M 6 NGC 6405 (Butterfly Cluster)
- Capture
- Seestar s50 51 stacks
- Date
- 12 November 2025
- Location
- Camden, NSW
- Original
- 1080 × 1920 px
M 6 NGC 6405 (Butterfly Cluster) is an open cluster of stars in the southern constellation of Scorpius. Its name derives from the resemblance of its shape to a butterfly. Distance estimated to be 1590 light years. The cluster is estimated to be 94.2 million years old. 120 stars, ranging down to visual magnitude 15.1,have been identified. Apparent magnitude 4.2
See it in the star clusters gallery