EARTH NIGHT SKY / CELESTIAL ATLAS 01

Read the
night.

Choose any of the 88 official constellations, trace its familiar figure, compare its real stars, and test which destinations your ship could reach.

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NORTHERN SEASONAL SKY

Winter evening sky

Star map of the Winter evening skyOnly real catalog stars are shown. Each seasonal view converts right ascension and declination into altitude and azimuth for a 47.5 degree north observer, with zenith at the center and the horizon at the rim.PolarisZENITH / +90° · 47.5° N VIEWHORIZON / 0° ALTITUDE

Northern sky at 47.5 N around 9 PM in mid-January, with Orion and the bright Winter Hexagon region.

SELECTED STAR

Polaris

Alpha UMi · Ursa Minor

Name origin
Latin: the polar star
Distance
432.6 light-years
Stellar class
F7:Ib-IIv SB · yellow-white star
Seen from Earth
Magnitude 1.97 · lower is brighter
Estimated radius
39.39 × the Sun
Intrinsic brightness
2,495.7 × the Sun