Trappist 1 is an ultra cool red dwarf star currently located in Aquarius. It is slightly larger than Jupiter, but with a mass of over 80 times that of of Jupiter. Three planets were discovered around it in 2015, with 4 more added in 2017. The star is a dim 18.9 magnitude, despite its closeness.
Images taken two years apart indicate it's proper motion across the sky.
