The northern sky

An interactive map of the 42 constellations of the northern celestial hemisphere – from Ursa Major and Cassiopeia around Polaris to Orion on the celestial equator. Hover over a constellation and the panel shows what its name means, its brightest star and that star’s distance, the constellation’s…

An interactive map of the starry sky. Hover over a constellation to find out what its name means, how far away its brightest star is, how big it is, and when and where you can see it.