February 10
Brown Dwarf Candidate CHXR 73 B
Observed in 2005
The bright spot at lower right is a suspected brown dwarf, an object bigger than a planet but smaller than a star. Named CHXR 73 B, it orbits a red dwarf star dubbed CHXR 73, which is much less massive than the Sun.
Image credit: NASA, ESA, Hubble Space Telescope