SN 1939C
| Other designations | SN 1939C, 2MASS J20342405+6009299 |
|---|---|
| Event type |
Supernova 
|
| Spectral class | SN.I:
|
| Date | 17 July 1939 |
| Constellation | Cepheus |
| Right ascension | 20:34:23.0 |
| Declination | +60:09:37.3 |
| Host | Fireworks Galaxy (NGC 6946) |
| Peak apparent magnitude | 13.0 |
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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 from the center of the Fireworks Galaxy. It peaked at a magnitude of 13.0 mag.
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