SkyRef / Stars

Alnitak

Magnitude 2.05, blue-white. Comfortably visible to the naked eye from a suburban sky.

The numbers

Magnitude2.05
Colourblue-white
Right ascension5.679h
Declination-1.94°
B−V index-0.21
CatalogueHR 1948

What you are looking at

Alnitak shines at magnitude 2.05, making it comfortably visible to the naked eye from a suburban sky. Its B−V colour index of -0.21 makes it blue-white to the eye, corresponding to a surface temperature of over 10,000 K.

It sits at right ascension 5.68 hours and declination -1.9°. It straddles the celestial equator, so it is visible from essentially anywhere on Earth at the right time of year.

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Other named stars

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