Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:48  
clear_day Transit: 12:56  
SunsetSet: 21:05 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Canis Minor » 


HR3144 is a variable hypergiant star in the constellation of Canis Minor.

HR3144 visual magnitude is 6.22. Because of its reltive faintness, HR3144 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR3144:

HR3144 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3144

HR3144 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 HR3144 are provided in the following table:

08h 01m 50s
+08° 54’ 50”
Canis Minor

The simplified sky map below shows the position of HR3144 in the sky:

Finder chart HR3144 star
Simplified finder chart for HR3144.

Visibility of HR3144 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 HR3144 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: 81.1°
Max altitude: 47.4°
Azimuth: 278.9°
HR3144 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3144

The image below is a photograph of HR3144 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 HR3144 is -0.002 arcsec per year in Right Ascension and 0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3144 star
DSS2 image of HR3144. The red arrow shows the motion of HR3144 during the next 10000 years (-0.33 arcmin in Right Ascension and 3.67 arcmin in declination);

Distance of HR3144 from the Sun and relative movement

HR3144 is distant 194.39 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

59.63 pc
194.39 ly
4 km/s
-0.002 arcsec/year
0.022 arcsec/year

Spectral properties of HR3144

HR3144 belongs to spectral class G0 and has a luminosity class of IV corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3144 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3144. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3144