SN 1917A

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SN 1917A
Other designations SN 1917A
Event type Supernova Edit this on Wikidata
Spectral class SN.II Edit this on Wikidata
Date 19 July 1917[1]
Constellation Cepheus[1]
Host Fireworks Galaxy (NGC 6946)[1]
Peak apparent magnitude 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]


  1. ^ a b c d e Frommert, Hartmut; Kronberg, Christine (9 March 2009), NGC 6946, retrieved 31 August 2011