M 99 is a spiral (Sc) galaxy 121.70 million light-years from the Sun, in Coma Berenices. Its light has travelled 121.70 million years to reach us.
Fly there in 3D| Also known as | NGC 4254, UGC 7345, MCG 3-31-99 |
| Type | Spiral (Sc) |
| Distance | 121.70 million light-years (V_cmb) |
| Radius | 93,840 light-years |
| Absolute magnitude | -22.46 |
| Constellation | Coma Berenices |
| Position (J2000) | RA 184.7040°, Dec 14.4175° |
The light you see left 122 million years ago, when the dinosaurs lived. At the speed of light, crossing its 187,680 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).