We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Canis Major » 

ν3 Canis Majoris (nu3 Canis Majoris)

Altitude: -36.3°   Azimuth: 72.7°   Direction: East-North-East

ν3 Canis Majoris is a bright giant star in the constellation of Canis Major.

ν3 Canis Majoris visual magnitude is 4.43. Because of its moderate brightness, ν3 Canis Majoris should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about ν3 Canis Majoris:

Bright giant

ν3 Canis Majoris (nu3 Canis Majoris) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -36.3°
Azimuth: 72.7°
Direction: East-North-East

Celestial coordinates and finder chart of ν3 Canis Majoris

ν3 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. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ν3 Canis Majoris are provided in the following table:

06h 37m 53s
-18° 14’ 15”
Canis Major

The simplified sky map below shows the position of ν3 Canis Majoris in the sky:

Finder chart ν3 Canis Majoris (nu3 Canis Majoris) star
Simplified finder chart for ν3 Canis Majoris (nu3 Canis Majoris).

Visibility of ν3 Canis Majoris from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's ν3 Canis Majoris (nu3 Canis Majoris) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.2°
Max altitude: 20.3°
Azimuth: 251.8°

Digitized Sky Survey image of ν3 Canis Majoris

The image below is a photograph of ν3 Canis Majoris from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of ν3 Canis Majoris is -0.01 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ν3 Canis Majoris (nu3 Canis Majoris) star
DSS2 image of ν3 Canis Majoris. The red arrow shows the motion of ν3 Canis Majoris during the next 10000 years (-1.67 arcmin in Right Ascension and -1.17 arcmin in declination);

Distance of ν3 Canis Majoris from the Sun and relative movement

ν3 Canis Majoris is distant 463.73 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

142.25 pc
463.73 ly
-2 km/s
-0.01 arcsec/year
-0.007 arcsec/year

Spectral properties of ν3 Canis Majoris

ν3 Canis Majoris belongs to spectral class K1 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where ν3 Canis Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ν3 Canis Majoris. Attribution: Richard Powell / CC BY-SA

Alternative designations of ν3 Canis Majoris

ν3 Canis Majoris
(nu3 Canis Majoris)
8 Canis Majoris