47th World Science Fiction Convention
| Noreascon 3, the 47th World Science Fiction Convention | |
|---|---|
| Genre | Science fiction |
| Dates | 31 August–4 September 1989 |
| Venue | Sheraton-Boston Hotel, Hilton Hotel, Boston Park Plaza, and the Hynes Convention Center |
| Location(s) | Boston, Massachusetts |
| Country | United States |
| Attendance | 6,837 |
| Filing status | non-profit |
The 47th World Science Fiction Convention (Worldcon), also known as Noreascon 3 (or "...Three", or "...III"), was held on 31 August–4 September 1989 at the Sheraton-Boston Hotel, Hilton Hotel, Boston Park Plaza, and the Hynes Convention Center in Boston, Massachusetts, United States.
The chairman was Mark L. Olson.