☽︎Rosi's Morning Sky

Corona Borealis constellation

Latin Corona Borealis, genitive Coronae Borealis, abbreviation CrB

Alphecca

North up, east to the left, as you see the sky. The lines are a common figure; the stars are from the catalogue.

The myth

The crown Dionysus gave Ariadne at their wedding after Theseus had left her on Naxos; he threw it into the sky. A small, almost closed semicircle of stars between Boötes and Hercules.

When can Corona Borealis be seen?

It stands highest around 10 pm in June. It can be seen from everywhere north of 52°S, and it never sets north of 64°N.

Find it now on the star map

The brightest stars

StarDesignationMagnitudeColour
Alpheccaα CrB2.23bluish
Nusakanβ CrB3.68white
–γ CrB3.84white
–θ CrB4.14bluish
–ε CrB4.15orange
–δ CrB4.63yellow
–τ CrB4.76orange
–κ CrB4.82orange

The smaller the number, the brighter: below 1 are the brightest stars of the sky, 4 is hard to see under a city sky. Greek letters after Johann Bayer (1603).

Neighbours in the sky

All 88 constellations