M93
open star cluster · in Puppis
3,167 light-years from Earth
One of the last objects Messier found himself, in March 1781. Its brightest stars form a wedge that reminded observers of a starfish or a butterfly, and several of them have swollen into red giants.
- 3,170 light-years (Gaia) · its stars spread over about 41 light-years
- about 400 to 700 million years old · 600 of its stars as Gaia measured them
- kind
- nebula · star cluster
- catalogue
- M93 · NGC 2447
- size
- 41 light-years across