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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sunny DaytimeWhat's Visible Now?
All Constellations » Canis Major » 


Altitude: -24.6°   Azimuth: 77.2°   Direction: East-North-East

HR2305 is a giant star in the constellation of Canis Major.

HR2305 visual magnitude is 5.22. Because of its reltive faintness, HR2305 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR2305 is -0.054 arcsec per year in Right Ascension and -0.035 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2305 star
DSS2 image of HR2305. The red arrow shows the motion of HR2305 during the next 10000 years (-9.00 arcmin in Right Ascension and -5.83 arcmin in declination);

Key facts about HR2305


HR2305 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -24.6°
Azimuth: 77.2°
Direction: East-North-East

Celestial coordinates and finder chart of HR2305

HR2305 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 HR2305 are provided in the following table:

06h 24m 10s
-11° 31’ 49”
Canis Major

The simplified sky map below shows the position of HR2305 in the sky:

Finder chart HR2305 star
Simplified finder chart for HR2305.

Visibility of HR2305 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 HR2305 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: 101.5°
Max altitude: 27.0°
Azimuth: 258.5°

Distance of HR2305 from the Sun and relative movement

HR2305 is distant 420.10 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

128.87 pc
420.10 ly
-26 km/s
-0.054 arcsec/year
-0.035 arcsec/year

Spectral properties of HR2305

HR2305 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR2305 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2305. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2305