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: 4:47  
clear_day Transit: 12:56  
SunsetSet: 21:06 south
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All Constellations » Canis Major » 

HR2305

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 skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR2305:

5.22
Giant
HR2305 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 2°.

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”
220.25°
-11.22°
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°
HR2305 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2305

The image below is a photograph of HR2305 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 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);

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.

-0.33
K3III
4232K

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

SAO151458
SAO151458