SN 1917A
| SN 1917A | |
|---|---|
| Observation data | |
| Host galaxy | Fireworks Galaxy (NGC 6946)[1] |
| Constellation | Cepheus[1] |
| Discovery date | 19 July 1917[1] |
| Peak magnitude (V) | 14.6[1] |
SN 1917A is a supernova that occurred in the Fireworks Galaxy on 19 July 1917. Discovered by George Willis Ritchey, it reached a peak magnitude of 14.6 mag and is 37"W and 105"S of the core of the Fireworks Galaxy[1]