Barnard's Star, being one of the closest stars to our solar system, displays one of the highest proper motion, which is the apparent angular movement of a star against the background stars. Just like highway signs appear to move faster than distant landmarks. It is a dim red dwarf star that requires optical aid to see it. It has a B-V color index of 1.7
A composite picture of images taken in July of 2014, and in July of 2022 showing the different positions against the background stars.