| SN 1939C | |
| Host: | Fireworks Galaxy (NGC 6946) |
| Constellation: | Cepheus |
| Ra: | 20:34:23.0 |
| Dec: | +60:09:37.3 |
| Discovery: | 17 July 1939 |
| Mag V: | 13.0 |
SN 1939C was a supernova in the Fireworks Galaxy first discovered by Fritz Zwicky on 17 July 1939. With a right ascension of 20:34:23.0 and a declination of +60:09:37.3, it lies 215"W and 24"N away from the center of the Fireworks Galaxy. It peaked at a magnitude of 13.0.