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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: 6:52  
clear_day Transit: 12:11  
SunsetSet: 17:31
sleep NighttimeWhat's Visible Now?
All Constellations » Columba » 


Altitude: -13.6°   Azimuth: 218.9°   Direction: South-West

HR2390 is a giant star in the constellation of Columba.

HR2390 visual magnitude is 6.2. Because of its reltive faintness, HR2390 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 HR2390 is -0.017 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2390 star
DSS2 image of HR2390. The red arrow shows the motion of HR2390 during the next 10000 years (-2.83 arcmin in Right Ascension and 0.00 arcmin in declination);

Key facts about HR2390


HR2390 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -13.6°
Azimuth: 218.9°
Direction: South-West

Celestial coordinates and finder chart of HR2390

HR2390 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2390 are provided in the following table:

06h 30m 59s
-40° 54’ 59”

The simplified sky map below shows the position of HR2390 in the sky:

Finder chart HR2390 star
Simplified finder chart for HR2390.

Visibility of HR2390 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR2390 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR2390 from the Sun and relative movement

HR2390 is distant 581.11 light years from the Sun and it is moving far from the Sun at the speed of 51 kilometers per second.

178.25 pc
581.11 ly
51 km/s
-0.017 arcsec/year

Spectral properties of HR2390

HR2390 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 HR2390 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR2390. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2390