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来自维基百科,自由的百科全书
NGC 166 (MCG -2-2-63)是鲸鱼座的一個螺旋星系,它有一个活动星系核,它的哈伯序列为Sa。它位于黄道以南。星等為14.5,赤經為35分48.8秒,赤緯為-13°36'38"。估计它距离银河系2.71亿光年,它的直径估计为7万光年。在它的附近还有两个星系IC 27和IC 28。
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