γ Ori. Magnitude 1.64, blue-white. Comfortably visible to the naked eye from a suburban sky.
Astronomers call it γ Ori — the Bayer designation, which reads as a Greek letter ranking its brightness within its constellation. Bellatrix is the name people actually use.
Bellatrix shines at magnitude 1.64, making it comfortably visible to the naked eye from a suburban sky. Its B−V colour index of -0.22 makes it blue-white to the eye, corresponding to a surface temperature of over 10,000 K.
It sits at right ascension 5.42 hours and declination +6.3°. It straddles the celestial equator, so it is visible from essentially anywhere on Earth at the right time of year.
SkyRef shows exactly where Bellatrix is from your location right now — altitude, compass direction, and rise and set times.