Tags: Star.
39 Leonis is the Flamsteed designation for a star in the zodiac constellation of Leo. It has an apparent visual magnitude of 5.90 so according to the Bortle scale it is faintly visible from suburban skies at night. Measurements made with the Hipparcos spacecraft show an annual parallax shift of 0.04385″ which is equivalent to a distance of around 74.4 ly (22.8 pc) from the Sun.The stellar classification of 39 Leonis is F6 V indicating it is a main sequence star.