Corona Borealis (abbreviation: CrB), the Northern Crown, given by Bacchus to Ariadne, daughter of King Minos of Crete, is a small but prominent northern constellation. It lies east of Arcturus between Boötes and Hercules, and comprises a distinctive arc formed by the stars Theta, Beta, Alpha, Gamma, Delta, Epsilon, and Iota). Also within its boundaries are the prototype R Coronae Borealis star and T CrB, popularly known as the Blaze Star. See below for details of the constellation's brightest stars.
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| Hercules and Corona Borealis, as depicted in Urania's Mirror (c. 1825). |
| Stars in Corona Borealis brighter than magnitude 4.0 |
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| star |
vis mag |
abs mag |
spec type |
distance (ly) |
RA (h m s) |
Dec (° ' ") |
| Alpha (Alphekka) |
2.22 |
0.42 |
A0V |
75 |
15 34 41 |
+26 42 53 |
| Beta (Nusakan) |
3.66 |
0.94 |
F0Vp |
114 |
15 27 50 |
+29 06 21 |
| Gamma |
3.81 |
0.57 |
B9IV+A3V |
145 |
15 42 45 |
+26 17 44 |