Dwarf galaxy Holmberg IX. This dwarf irregular galaxy is a loose collection of stars located just off the outer edge of M81,a large spiral galaxy in Ursa Major. This image was taken with Hubble's Advanced Camera for Surveys in early 2006. Holmberg IX is of the so-called Magellanic type of galaxy,as its size and irregularity in structure are similar to the Small Magellanic Cloud,a neighbour to our own Milky Way. Holmberg IX was first discovered by astronomer Sidney van den Bergh in 1959,and cataloged as DDO 66 | |
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Credit: | Science Photo Library / STSCI / HUBBLE HERITAGE TEAM / ESA / NASA |
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