The star pictured is called Regulus, which is the brightest star in the constellation Leo the Lion. The star at its brightest magnitude shines a bright blueish color. Regulus can be found towards the bottom of the star pattern within the constellation Leo, called the The Sickle. Regulus is centered towards the middle of this pattern and has been called the Heart of the Lion. Regulus is located on the ecliptic, which means that is follows the pattern of the moon, sun, and planet, so it can be seem around the world. Regulus is approximately 77 light-year away. Regulus rotates and spins rapidly. Regulus completes a single rotation within 15 hours, If you observe Regulus it is actually composed of 2 different stars, Altair and Achernar. 

http://earthsky.org/brightest-stars/best-regulus-the-heart-of-the-lion

http://www.space.com/22890-regulus.html