Abbreviation: Â CrB
English Name: Â The Northern Crown
Hemisphere:Â Â Northern Hemisphere
Location:Â Between the constellations of Hercules and Bootes.
Visible between latitudes: Â +90 and -50 degrees
Best season: Summer
Seen in three seasons:Â Spring, Summer, and Autumn
Best seen in:Â July
Seen between:Â March and September
Right Ascension (RA):Â 16 hour
Declination (DEC):Â Â +30 degrees
Area (square degrees): Â 179 (73rd)
Corona Borealis (The Northern Crown)
- Small constellation in the northern sky; the curve, known as “The Northern Crown” has inspired by its shape as a crown with seven stars make it easy to find.
- Those stars make up the constellation’s figure are all stars – magnitude +4.0, except for the constellation’s brightest star, Alpha Coronae Borealis, but the curve of seven stars makes the constellation easy to find.
- No Messier objects in Corona Borealis.
Features of Interest
- Corona Borealis contains no bright Deep Sky Objects (DSO).
- In the “Bowl” of the Northern Crown is a famous variable star; R Coronae Borealis is a yellow supergaint star – itself normally shines at around magnitude +6.0 to about visible to the naked-eye, but at the length-time of several months to many years fades down to as faint as magnitude +14.0! (See the Data ofÂ R Coronae Borealis.) (R Coronae Borealis; location in the Star Atlas.)
- AlphekkaÂ (Alpha CrB)
- NusakanÂ (Beta CrB)
- Photo of the constellation;Â Corona Borealis, as it appears to the naked eye. (Lines have been added for clarity.)
- Sky Chart Â – Â Corona Borealis
- List of stars in Corona Borealis.
Back toÂ The 88 Constellations ListsÂ page.