It is an active galaxy lying at the centre of the PerseusCluster of galaxies.
它是个位于英仙座星系群中心的活动星系。
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Observations by Hubble’s Advanced Camera for Surveys spotted 29 dwarf elliptical galaxies in the PerseusCluster located 250 million light-years away and one of the closest galaxy clusters to Earth.
Observations by Hubble's Advanced Camera for Surveys spotted 29 dwarf elliptical galaxies in the Perseuscluster located 250 million light-years away and one of the closest galaxy clusters to Earth.