Corona Borealis
The northern crown. Genitive Coronae Borealis, abbreviated CrB. Introduced by Ptolemy.
Area
178.7 sq°
73 of 88 by size
Brightest star
α Coronae Borealis
magnitude 2.23
Best seen
May
on the meridian at midnight
Visible from
90°N to 64°S
some part above the horizon
Where it is
Principal stars
Every star to magnitude 4, brightest first.
| Star | Magnitude | HR |
|---|---|---|
| α Coronae Borealis | 2.23 | 5793 |
| β Coronae Borealis | 3.68 | 5747 |
| γ Coronae Borealis | 3.84 | 5849 |
Deep sky
No object in Corona Borealis carries a Messier number or a common name. It contains catalogued objects all the same, identified by number only.
My Sky
Rise, highest and set over your place, for any night: Corona Borealis
Further info
Sources
Principal stars: Bright Star Catalogue
Deep sky: NGC 2000.0
Area and borders: IAU constellation boundaries
