Other designations SN 1917A Spectral class SN.II Constellation Cepheus | Event type Supernova Date 19 July 1917 | |
Host Fireworks Galaxy (NGC 6946) | ||
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
References
SN 1917A Wikipedia(Text) CC BY-SA