OrionOri
the Hunter
Equatorial skyA reference for the entire sky.
Explore all 88 constellations. Find their names, read their star charts and print a map to keep.
Constellations
The complete set of sky regions, from Andromeda to Vulpecula.
28Northern sky
Constellations entirely north of the celestial equator.
45Southern sky
Constellations entirely south of the celestial equator.
15Across the celestial equator
Constellations extending into both celestial hemispheres.
A few charts to explore
View the chart library →A cross-equator constellation, a northern region, the pole and a two-part constellation.
AndromedaAnd
the Chained Maiden
Northern sky
Ursa MinorUMi
the Little Bear
Northern sky
SerpensSer
the Serpent
Equatorial sky · 2 chart sectionsGet to know the names
Turn the catalogue into a set of flashcards. Your progress stays in this browser.
A constellation is a region
The familiar lines join stars into a pattern. The boundary defines the constellation’s place in the sky.
Constellations and asterisms →Read the chart, not just the stars
Learn how coordinates, star symbols and the J2000 reference work together on a map.
Reading a star chart →