Willman 1

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What Wikipedia says

Willman 1 is an ultra-faint dwarf galaxy discovered in 2005. It is named after Beth Willman of Haverford College who first identified it as an over-density of stars in the Sloan Digital Sky Survey (SDSS).

Excerpt from the Wikipedia article “Willman 1”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg), CC BY 3.0, via Wikimedia Commons.