SkyRef / Stars

Aldebaran

Magnitude 0.85, orange-red. A first-magnitude star, among the brightest few dozen visible.

The numbers

Magnitude0.85
Colourorange-red
Right ascension4.599h
Declination+16.51°
B−V index1.54
CatalogueHR 1457

What you are looking at

Aldebaran shines at magnitude 0.85, making it a first-magnitude star, among the brightest few dozen visible. Its B−V colour index of 1.54 makes it orange-red to the eye, corresponding to a surface temperature of under 4,000 K.

It sits at right ascension 4.60 hours and declination +16.5°. It straddles the celestial equator, so it is visible from essentially anywhere on Earth at the right time of year.

Find it tonight

SkyRef shows exactly where Aldebaran is from your location right now — altitude, compass direction, and rise and set times.

Open the live sky map →

Other named stars

SiriusCanopusArcturusRigil KentaurusVegaCapellaRigelProcyonAchernarBetelgeuseHadarAltairAldebaranAntaresSpicaPolluxFomalhautMimosaDenebAcruxRegulusAdharaElnathAlphardAlnilamDenebolaCastorAlgolDubheKaus AustralisAlkaidPolarisAlnitakCaphMirachBellatrix