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Sh2-1
Sh 2-1, also known as Sharpless 1, is a reflection nebula in the constellation of Scorpius. It appears as a modest brightness making it one of the easier Sharpless catalog objects to view. It features an apparent central star inside the nebulosity however it is not part its system nor a left over remnant. The nebulous area is fairly large with an irregular shape appearing as a 180° arc shape surrounding a central star.〔(【引用サイトリンク】url=http://www.sharplesscatalog.com/Sharpless.aspx?sharp=1 )〕 The remnant has an apparent diameter that covers approximately 150' and an estimated distance of approximately 650ly away. ==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「Sh2-1」の詳細全文を読む
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