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NGC 23 is a spiral galaxy located in the Pegasus constellation. In the ''Webb Society Deep-Sky Observer's Handbook'', the visual appearance of NGC 23 is described as follows:
==Gallery== File:NGC 0023 GALEX.jpg|GALEX (ultraviolet) File:NGC 0023 2MASS.jpg|2MASS (near-infrared) File:NGC 23 HST.jpg|Hubble (optical) 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 23」の詳細全文を読む スポンサード リンク
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