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public  Niny, Russia Niny, Russia  ⓘ
TimezoneEurope/Moscow
Sunrise: 4:32 
Transit: 12:00 
Sunset: 19:29
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All Constellations » Coma Berenices » 

12 Comae Berenices

Below the horizon.  Rise: 12:43 | Tran: 20:33 | Set: 4:27
Alt: -18.14°   Az: 344.09°   Direction: North-North-West

12 Comae Berenices is a variable and multiple hypergiant star of spectral class G0 in the constellation of Coma Berenices.

12 Comae Berenices visual magnitude is 4.81. Because of its moderate brightness, 12 Comae Berenices is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of 12 Comae Berenices star
DSS2 image of 12 Comae Berenices. The red arrow shows the motion of 12 Comae Berenices during the next 10000 years (-1.83 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

12h 23m 46s
+25° 42’ 19”
10h 52m 47s
23h 16m 33s

J2000

12h 22m 30s
+25° 50’ 45”

Galactic Coordinates

222.5°
83.4°

Finder Chart

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Finder chart for 12 Comae Berenices.

Magnitude, Color, Spectral Class

4.81
Hypergiant

0.19
G0III
6435K

The red dot in the diagram below shows where 12 Comae Berenices is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 12 Comae Berenices. Attribution: Richard Powell / CC BY-SA

Star System Properties

12 Comae Berenices is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 12 Comae Berenices double sysyem:

4.81
8.51
3.7
65.3 arcsec

Distance, Radial Speed, Proper Motion

12 Comae Berenices is distant 273.26 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

83.82
273.26
1 km/s
-0.011 arcsec/y
-0.009"/y

Alternative Designations

12 Comae Berenices
SAO82273
SAO82273

Visibility from Your Location

Today's 12 Comae Berenices rise, transit and set times from Niny, Russia are the following (all times relative to the local timezone Europe/Moscow):

Azimuth: 64.3°
Max altitude: 71.2°
Azimuth: 295.7°