SN 1939C

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SN 1939C
Other designations SN 1939C, 2MASS J20342405+6009299
Event type Supernova Edit this on Wikidata
Spectral class SN.I: Edit this on Wikidata
Date 17 July 1939[1]
Constellation Cepheus[1]
Right ascension 20:34:23.0 [2]
Declination +60:09:37.3[2]
Host Fireworks Galaxy (NGC 6946)[1]
Peak apparent magnitude 13.0[2]

SN 1939C was a supernova in the Fireworks Galaxy first discovered by Fritz Zwicky on 17 July 1939.[1] With a right ascension of 20:34:23.0 and a declination of +60:09:37.3, it lies 215"W and 24"N from the center of the Fireworks Galaxy.[1] It peaked at a magnitude of 13.0 mag.[2]


  1. ^ a b c d e Frommert, Hartmut; Kronberg, Christine (9 March 2009), NGC 6946, retrieved 31 August 2011 
  2. ^ a b c d Schlegel, Eric (1994), "X-ray Emission from the Historical Supernovae in the Spiral Galaxy NGC 6946: SN 1980K and SN 1968D Recovered?", The Astronomical Journal, 108 (5): 1893–1898, Bibcode:1994AJ....108.1893S, doi:10.1086/117202, retrieved 31 August 2011 

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