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NGC 6834 is an open cluster of stars located about 7,000 light years from the Sun in the constellation Vulpecula. It has a visual magnitude of 7.8 and an estimated age of 65 million years.〔〔 ==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「NGC 6834」の詳細全文を読む スポンサード リンク
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