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
sunny DaytimeWhat's Visible Now
All Constellations » Canis Major » 


HR2578 is a star in the constellation of Canis Major.

HR2578 visual magnitude is 6.21. Because of its reltive faintness, HR2578 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 HR2578:

HR2578 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 4°.

Celestial coordinates and finder chart of HR2578

HR2578 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 HR2578 are provided in the following table:

06h 53m 55s
-24° 32’ 21”
Canis Major

The simplified sky map below shows the position of HR2578 in the sky:

Finder chart HR2578 star
Simplified finder chart for HR2578.

Visibility of HR2578 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 HR2578 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: 114.5°
Max altitude: 14.0°
Azimuth: 245.5°
HR2578 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2578

The image below is a photograph of HR2578 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 HR2578 is -0.027 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2578 star
DSS2 image of HR2578. The red arrow shows the motion of HR2578 during the next 10000 years (-4.50 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of HR2578 from the Sun and relative movement

HR2578 is distant 471.78 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

144.72 pc
471.78 ly
27 km/s
-0.027 arcsec/year
-0.012 arcsec/year

Spectral properties of HR2578

HR2578 belongs to spectral class A1


The red dot in the diagram below shows where HR2578 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2578. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2578