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public LocationGreenwich, UK
Sunrise: 4:57 
Transit: 13:04 
Sunset: 21:10
wb_twilight   (Nautical Twilight)   What's Visible Now?
All Constellations » Canis Major » 

ι Canis Majoris (iota Canis Majoris)

Below the horizon.  Rise: 8:04 | Tran: 12:32 | Set: 17:00
Altitude: -47.7°   Azimuth: 312.9°   Direction: North-West

ι Canis Majoris is a variable bright giant star of spectral class B3 in the constellation of Canis Major.

ι Canis Majoris visual magnitude is 4.37. Because of its moderate brightness, ι Canis Majoris 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.

ι Canis Majoris is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year.

Image of ι Canis Majoris (iota Canis Majoris) star
DSS2 image of ι Canis Majoris. The red arrow shows the motion of ι Canis Majoris during the next 100000 years (-5.00 arcmin in Right Ascension and 3.33 arcmin in declination);

Apparent Coordinates

06h 57m 13s
-17° 05’ 15”

J2000 Coordinates

06h 56m 08s
-17° 03’ 15”

Galactic Coordinates


Finder Chart

Finder chart ι Canis Majoris (iota Canis Majoris) star
Simplified finder chart for ι Canis Majoris (iota Canis Majoris).

Magnitude, Color, Spectral Class

Bright giant


The red dot in the diagram below shows where ι Canis Majoris is situated in the Hertzsprung–Russell diagram.

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

Distance, Radial Speed, Proper Motion

ι Canis Majoris is distant 3,075.47 light years from the Sun and it is moving far from the Sun at the speed of 41 kilometers per second.

943.40 pc
3,075.47 ly
41 km/s
-0.003 arcsec/y
0.002 "/y

Alternative Designations

ι Canis Majoris
(iota Canis Majoris)
20 Canis Majoris

Visibility from Your Location

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

Azimuth: 107.1°
Max altitude: 21.5°
Azimuth: 252.9°