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NGC 6946

NGC 6946

NGC 6946[1][2][3], Caldwell 12 sau Galaxia Artificiilor este o galaxie spirală intermediară din constelația Cefeu și se află la o distanță de aproximativ 18 milioane de ani-lumină de Pământ. A fost descoperită de William Herschel pe 9 septembrie 1798.

În această galaxie au fost observate nouă supernove. [4]

  1. ^ NED. „NED results for object NGC 6946”. Accesat în . 
  2. ^ ipac. „Results for object NGC 6946”. Accesat în . 
  3. ^ spider.seds.org. „Revised NGC Data for NGC 6946”. Accesat în . 
  4. ^ „List of Supernovae”. Harvard-Smithsonian Center for Astrophysics (IAU). Accesat în . 

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NGC 6946
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