Magnitude 1.70, blue-white. Comfortably visible to the naked eye from a suburban sky.
Alnilam shines at magnitude 1.70, making it comfortably visible to the naked eye from a suburban sky. Its B−V colour index of -0.19 makes it blue-white to the eye, corresponding to a surface temperature of over 10,000 K.
It sits at right ascension 5.60 hours and declination -1.2°. It straddles the celestial equator, so it is visible from essentially anywhere on Earth at the right time of year.
SkyRef shows exactly where Alnilam is from your location right now — altitude, compass direction, and rise and set times.