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public LocationGreenwich, UK
Sunrise: 5:07 
Transit: 13:06 
Sunset: 21:04
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Canis Major » 

Unurgunite - σ Canis Majoris (sigma Canis Majoris)

Below the horizon.  Rise: 9:00 | Tran: 12:11 | Set: 15:23
Alt: -48.21°   Az: 74.01°   Direction: East-North-East

Unurgunite, also designated as σ Canis Majoris (sigma Canis Majoris), is a variable and double supergiant star of spectral class K7 in the constellation of Canis Major.

Unurgunite visual magnitude is 3.47. Because of its moderate brightness, Unurgunite 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.

Unurgunite is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere.

Image of Unurgunite - σ Canis Majoris (sigma Canis Majoris) star
DSS2 image of Unurgunite. The red arrow shows the motion of Unurgunite during the next 100000 years (-8.33 arcmin in Right Ascension and 8.33 arcmin in declination);

Celestial Coordinates


07h 02m 41s
-27° 58’ 16”
15h 05m 58s
22h 08m 40s


07h 01m 43s
-27° 56’ 04”

Galactic Coordinates


Finder Chart

Finder chart Unurgunite - σ Canis Majoris (sigma Canis Majoris) star
Simplified finder chart for Unurgunite - σ Canis Majoris (sigma Canis Majoris).

Magnitude, Color, Spectral Class



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

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

Star System Properties

Unurgunite is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Unurgunite double sysyem:

10 arcsec

Distance, Radial Speed, Proper Motion

Unurgunite is distant 1,216.42 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

373.13 pc
1,216.42 ly
22 km/s
-0.005 arcsec/y
0.005 "/y

Alternative Designations

σ Canis Majoris
(sigma Canis Majoris)
22 Canis Majoris

Visibility from Your Location

Today's Unurgunite - σ Canis Majoris (sigma Canis Majoris) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 118.0°
Max altitude: 10.5°
Azimuth: 242.0°