M 23 is an open cluster 2,387 light-years away, in Sagittarius: a family of stars born together that still travel together.
Fly there in 3D| Also known as | NGC 6494, Melotte 184, Collinder 356, MWSC 2757, OCL 30, ESO 589 22, FoF 2336 |
| Type | Open cluster |
| Distance | 2,387 light-years |
| Radius | 23 light-years |
| Constellation | Sagittarius |
| Position (J2000) | RA 269.2395°, Dec -18.9900° |
The light you see left 2,387 years ago, around 400 BC. Its stars were born together and still move together through the Milky Way's disc.
In galaxy mode, search for it on the map or follow the link above: the autopilot flies there. The cluster is drawn at its catalogued place and size; its individual stars are illustrative.