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public  Elburn, United States Elburn, United States  ⓘ
TimezoneAmerica/Chicago
Sunrise: 5:23 
Transit: 12:51 
Sunset: 20:18
wb_twilight   (Astronomical Twilight)  
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All Constellations » Corona Borealis » 

Alphecca - α Coronae Borealis (alpha Coronae Borealis)

Above the horizon.  Rise: 16:13 | Tran: 0:01 | Set: 7:46
Alt: 45.13°   Az: 267.27°   Direction: West

Alphecca, also designated as α Coronae Borealis (alpha Coronae Borealis), is a variable hypergiant star of spectral class A0 in the constellation of Corona Borealis.

Alphecca visual magnitude is 2.23, making it the 65th brightest star in the sky. Because of its brightness, Alphecca is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Alphecca - α Coronae Borealis (alpha Coronae Borealis) star
DSS2 image of Alphecca. The red arrow shows the motion of Alphecca during the next 1000 years (2.02 arcmin in Right Ascension and -1.48 arcmin in declination);

Celestial Coordinates

Apparent

15h 35m 45s
+26° 37’ 52”
03h 28m 06s
19h 03m 52s

J2000

15h 34m 41s
+26° 42’ 52”

Galactic Coordinates

41.87°
53.77°

Finder Chart

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Finder chart for Alphecca - α Coronae Borealis (alpha Coronae Borealis).

Magnitude, Color, Spectral Class

2.23
Hypergiant

0.43
A0V
10382K

The red dot in the diagram below shows where Alphecca is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of Alphecca. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

Alphecca is distant 74.68 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

22.91
74.68
2 km/s
0.121 arcsec/y
-0.089"/y

Alternative Designations

Alphecca
α Coronae Borealis
(alpha Coronae Borealis)
5 Coronae Borealis
SAO83893
SAO83893

Visibility from Your Location

Today's Alphecca - α Coronae Borealis (alpha Coronae Borealis) rise, transit and set times from Elburn, United States are the following (all times relative to the local timezone America/Chicago):

Azimuth: 63.4°
Max altitude: 74.7°
Azimuth: 296.6°