SkyRef / Stars

Polaris

Magnitude 2.02, yellow-orange. Comfortably visible to the naked eye from a suburban sky.

The numbers

Magnitude2.02
Colouryellow-orange
Right ascension2.530h
Declination+89.26°
B−V index0.60
CatalogueHR 424

What you are looking at

Polaris shines at magnitude 2.02, making it comfortably visible to the naked eye from a suburban sky. Its B−V colour index of 0.60 makes it yellow-orange to the eye, corresponding to a surface temperature of around 5,000 K.

It sits at right ascension 2.53 hours and declination +89.3°. It is circumpolar from most of the northern hemisphere, meaning it never sets and can be found on any clear night.

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Other named stars

SiriusCanopusArcturusRigil KentaurusVegaCapellaRigelProcyonAchernarBetelgeuseHadarAltairAldebaranAntaresSpicaPolluxFomalhautMimosaDenebAcruxRegulusAdharaElnathAlphardAlnilamDenebolaCastorAlgolDubheKaus AustralisAlkaidPolarisAlnitakCaphMirachBellatrix