Corona Borealis

Corona Borealis is a northern constellation between Boötes and Hercules. Its Latin name means “northern crown,” and its seven brightest stars form a semicircular arc.

Boötes: Boötes is a northern constellation containing the bright star Arcturus. Corona Borealis lies beside Boötes, which helps locate it in the northern sky.
R Coronae Borealis: R Coronae Borealis is a rare variable star that undergoes dramatic, irregular fading episodes. It is the prototype of a class of stars named for this constellation.
Ariadne: Ariadne is a figure in Greek mythology who helped Theseus escape the Labyrinth. Greek myth identifies the celestial crown with the crown associated with Ariadne.
Star chart: A star chart is a map showing the positions of stars and other celestial objects. Charts use Corona Borealis’s compact arc as a recognizable landmark between neighboring constellations.
Corona Australis: Corona Australis is a southern constellation whose name means “southern crown.” It is the southern counterpart to Corona Borealis, not a neighboring part of the same constellation.
Hercules: Hercules is a large northern constellation representing the mythological hero. Hercules borders Corona Borealis on the other side.
T Coronae Borealis: T Coronae Borealis is a recurrent nova system that has produced bright eruptions visible to the unaided eye. Its anticipated eruptions can briefly make a new bright point appear within the crown.
Dionysus: Dionysus is the Greek god of wine, ritual ecstasy, and theater. In one mythic tradition, he placed Ariadne’s crown among the stars.
Celestial navigation: Celestial navigation determines position or direction by observing celestial bodies. The constellation’s stars can help orient observers under a dark sky, though they are not a standard navigation reference.
Ursa Minor: Ursa Minor is a northern constellation containing Polaris, the current North Star. Unlike Corona Borealis’s curved crown, Ursa Minor is commonly recognized by its Little Dipper asterism.

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SerpensRelated: Corona Borealis borders Serpens Caput and helps locate it among neighboring patterns.