ε UMa. Magnitude 1.77, white. Comfortably visible to the naked eye from a suburban sky.
Astronomers call it ε UMa — the Bayer designation, which reads as a Greek letter ranking its brightness within its constellation. Alioth is the name people actually use.
Alioth shines at magnitude 1.77, making it comfortably visible to the naked eye from a suburban sky. Its B−V colour index of -0.02 makes it white to the eye, corresponding to a surface temperature of around 8,000 K.
It sits at right ascension 12.90 hours and declination +56.0°. It sits well north on the sky and is comfortably placed for northern hemisphere observers.
SkyRef shows exactly where Alioth is from your location right now — altitude, compass direction, and rise and set times.