NGC 2058（或记作ESO 56-SC173）是位于山案座的疏散星团，收录于原版天体新总表（NGC），属于大麦哲伦星系。1982年，科学家利用光电测光术和照相测光术，绘出NGC 2058和NGC 2065的颜色-星等图，从而估计两者的年龄为一亿二千万年。[1]
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