SkyRef / Stars

Procyon

Magnitude 0.38, yellow-white. A first-magnitude star, among the brightest few dozen visible.

The numbers

Magnitude0.38
Colouryellow-white
Right ascension7.655h
Declination+5.22°
B−V index0.42
CatalogueHR 2943

What you are looking at

Procyon shines at magnitude 0.38, making it a first-magnitude star, among the brightest few dozen visible. Its B−V colour index of 0.42 makes it yellow-white to the eye, corresponding to a surface temperature of around 6,000 K.

It sits at right ascension 7.66 hours and declination +5.2°. 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

SiriusCanopusArcturusRigil KentaurusVegaCapellaRigelProcyonAchernarBetelgeuseHadarAltairAldebaranAntaresSpicaPolluxFomalhautMimosaDenebAcruxRegulusAdharaElnathAlphardAlnilamDenebolaCastorAlgolDubheKaus AustralisAlkaidPolarisAlnitakCaphMirachBellatrix