Procyon is the brightest star in the constellation Canis Minor and at only 11.4 light years[1] distance it is one of the closest of bright stars. Procyon is actually a binary system with the larger, Procyon A, being a bright main-sequence star and Procyon B it's white dwarf companion.
Image: Procyon's position in Canis Minor
Procyon is one of three stars which form the asterism, the Winter Triangle.
Procyon is one of three stars which form the asterism, the Winter Triangle.
by Patrick Moore - ISBN 0-304-34903-8 
