| Dreyer's Nebula | |
| Type: | reflection |
| Size V: | ~25 arcminutes dia. |
| Radius Ly: | 0.25 x 0.9 |
| Names: | Dreyer's Nebula, IC 447, IC 2169 |
IC 447 is a reflection nebula located in the constellation Monoceros. It includes several massive B-type stars and forms one end of the Monoceros R1 star-forming filament, with IC 446 at the opposite end. IC 447 may have been formed by more massive members of the young open cluster Collinder 95.