WOLF 359

 
WOLF 359 is a star visible in the northern sky 7.5 light-years from Earth. This is close by; in fact WOLF 359 is the third closest star system to our own sun. Only the Alpha Centauri triple system (Alpha A, Alpha B & Proxima) and Barnard's star are closer. Even so WOLF 359 is quite difficult to view from Earth appearing as just a small dot of light among quadrillion's in the night sky.
 

By the way: This is Mars, not WOLF 359 ;-)