β Leo. Magnitude 2.14, white. Comfortably visible to the naked eye from a suburban sky.
Astronomers call it β Leo — the Bayer designation, which reads as a Greek letter ranking its brightness within its constellation. Denebola is the name people actually use.
Denebola shines at magnitude 2.14, making it comfortably visible to the naked eye from a suburban sky. Its B−V colour index of 0.09 makes it white to the eye, corresponding to a surface temperature of around 8,000 K.
It sits at right ascension 11.82 hours and declination +14.6°. It straddles the celestial equator, so it is visible from essentially anywhere on Earth at the right time of year.
SkyRef shows exactly where Denebola is from your location right now — altitude, compass direction, and rise and set times.