SN 1917A
| Other designations | SN 1917A |
|---|---|
| Event type |
Supernova 
|
| Spectral class | SN.II
|
| Observation | |
| Date | 19 July 1917 |
| Location | |
| Constellation | Cepheus |
| Host | Fireworks Galaxy (NGC 6946) |
| Characteristics | |
| Energetics | |
| Peak apparent magnitude | 14.6 |
| See also | |
|
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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
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