M 102 is a spiral (Sa) galaxy 43.82 million light-years from the Sun, in Draco. Its light has travelled 43.82 million years to reach us.
Fly there in 3D| Also known as | NGC 5866, UGC 9723, MCG 9-25-17 |
| Type | Spiral (Sa) |
| Distance | 43.82 million light-years (NED-1D average) |
| Radius | 41,420 light-years |
| Absolute magnitude | -19.84 |
| Constellation | Draco |
| Position (J2000) | RA 226.6215°, Dec 55.7636° |
The light you see left 44 million years ago, after the dinosaurs, when mammals spread across the Earth. At the speed of light, crossing its 82,840 light-years takes as many years.
In galaxy mode, press Local Universe and search for it on the map, or follow the link above: the autopilot flies there, and up close the galaxy is drawn to its catalogued size, shape and tilt (the stars and arms themselves are illustrative).