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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
north SunriseRise: 7:43  
clear_day Transit: 11:47  
SunsetSet: 15:52 south
sleep NighttimeWhat's Visible Now?
All Constellations » Canis Major » 


Altitude: 11.8°   Azimuth: 226.5°   Direction: South-West

HR2303 is a star in the constellation of Canis Major.

HR2303 visual magnitude is 6.24. Because of its reltive faintness, HR2303 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 HR2303:


HR2303 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 11.8°
Azimuth: 226.5°
Direction: South-West

Celestial coordinates and finder chart of HR2303

HR2303 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 HR2303 are provided in the following table:

06h 23m 45s
-15° 04’ 18”
Canis Major

The simplified sky map below shows the position of HR2303 in the sky:

Finder chart HR2303 star
Simplified finder chart for HR2303.

Visibility of HR2303 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 HR2303 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: 105.1°
Max altitude: 23.4°
Azimuth: 254.9°

Digitized Sky Survey image of HR2303

The image below is a photograph of HR2303 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 HR2303 is -0.015 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 HR2303 star
DSS2 image of HR2303. The red arrow shows the motion of HR2303 during the next 10000 years (-2.50 arcmin in Right Ascension and -1.17 arcmin in declination);

Distance of HR2303 from the Sun and relative movement

HR2303 is distant 1,574.88 light years from the Sun and it is moving far from the Sun at the speed of 37 kilometers per second.

483.09 pc
1,574.88 ly
37 km/s
-0.015 arcsec/year
-0.007 arcsec/year

Spectral properties of HR2303

HR2303 belongs to spectral class K2


The red dot in the diagram below shows where HR2303 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2303. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2303