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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
sleep NighttimeWhat's Visible Now?
All Constellations » Columba » 


Altitude: 7.5°   Azimuth: 191.7°   Direction: South-South-West

HR1838 is a giant star in the constellation of Columba.

HR1838 visual magnitude is 6.75. Because of its reltive faintness, HR1838 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 HR1838 is -0.003 arcsec per year in Right Ascension and 0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1838 star
DSS2 image of HR1838. The red arrow shows the motion of HR1838 during the next 10000 years (-0.50 arcmin in Right Ascension and 2.33 arcmin in declination);

Key facts about HR1838


HR1838 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.5°
Azimuth: 191.7°
Direction: South-South-West

Celestial coordinates and finder chart of HR1838

HR1838 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 HR1838 are provided in the following table:

05h 29m 06s
-30° 07’ 00”

The simplified sky map below shows the position of HR1838 in the sky:

Finder chart HR1838 star
Simplified finder chart for HR1838.

Visibility of HR1838 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 HR1838 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: 120.1°
Max altitude: 8.4°
Azimuth: 239.9°

Distance of HR1838 from the Sun and relative movement

HR1838 is distant 522.44 light years from the Sun and it is moving far from the Sun at the speed of 59 kilometers per second.

160.26 pc
522.44 ly
59 km/s
-0.003 arcsec/year
0.014 arcsec/year

Spectral properties of HR1838

HR1838 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR1838 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1838. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1838