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SN 1939C was a supernova in the Fireworks Galaxy first discovered by Fritz Zwicky on 17 July 1939.〔 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.〔 It peaked at a magnitude of 13.0 mag.〔 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「SN 1939C」の詳細全文を読む スポンサード リンク
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