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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:01 
Transit: 12:56 
Sunset: 20:52
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All Constellations » Canes Venatici » 

α1 Canum Venaticorum (alpha1 Canum Venaticorum)

Above the horizon.  Rise: 10:37 | Tran: 21:58 | Set: 9:22
Alt: 28.14°   Az: 296.97°   Direction: West-North-West

α1 Canum Venaticorum is a double hypergiant star of spectral class F0 in the constellation of Canes Venatici.

α1 Canum Venaticorum visual magnitude is 5.6. Because of its faintness, α1 Canum Venaticorum is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of α1 Canum Venaticorum (alpha1 Canum Venaticorum) star
DSS2 image of α1 Canum Venaticorum. The red arrow shows the motion of α1 Canum Venaticorum during the next 1000 years (-3.93 arcmin in Right Ascension and 1.03 arcmin in declination);

Celestial Coordinates

Apparent

12h 57m 11s
+38° 10’ 39”
06h 05m 34s
19h 02m 46s

J2000

12h 56m 00s
+38° 18’ 52”

Galactic Coordinates

118.31°
78.77°

Finder Chart

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Finder chart for α1 Canum Venaticorum (alpha1 Canum Venaticorum).

Magnitude, Color, Spectral Class

5.6
Hypergiant

3.61
F0V
7217K

The red dot in the diagram below shows where α1 Canum Venaticorum is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of α1 Canum Venaticorum. Attribution: Richard Powell / CC BY-SA

Star System Properties

α1 Canum Venaticorum is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the α1 Canum Venaticorum double sysyem:

5.6
8.3
2.7
19.4 arcsec

Distance, Radial Speed, Proper Motion

α1 Canum Venaticorum is distant 81.60 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

25.03
81.60
-3 km/s
-0.236 arcsec/y
0.062"/y

Alternative Designations

α1 Canum Venaticorum
(alpha1 Canum Venaticorum)
12 Canum Venaticorum
SAO63256
SAO63256

Visibility from Your Location

Today's α1 Canum Venaticorum (alpha1 Canum Venaticorum) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 51.8°
Max altitude: 76.7°
Azimuth: 308.2°