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NGC 2291 is a lenticular galaxy in the constellation Gemini. It was discovered by John Herschel on January 22, 1827. The visual magnitude is 13, and the apparent size is 1.0 by 0.8 arc minutes.〔 == External links == * 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「NGC 2291」の詳細全文を読む スポンサード リンク
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