SN 1917A

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SN 1917A
Other designations{{{names}}}
Event type{{{event type}}}
Spectral class{{{class}}}
Date19 July 1917[1]
Duration{{{duration}}}
Instrument{{{detected_by}}}
ConstellationCepheus[1]
Redshift{{{redshift}}}
HostFireworks Galaxy (NGC 6946)[1]
Peak apparent magnitude14.6[1]

SN 1917A is a supernova that occurred in the Fireworks Galaxy on 19 July 1917. It was 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]

References[edit]

  1. 1.0 1.1 1.2 1.3 1.4 Frommert, Hartmut; Kronberg, Christine (9 March 2009), NGC 6946, http://messier.seds.org/xtra/ngc/n6946.html, retrieved 31 August 2011


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