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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: 6:08  
clear_day Transit: 12:59  
SunsetSet: 19:51
sunny DaytimeWhat's Visible Now?
All Constellations » Capricornus » 


Altitude: 19.8°   Azimuth: 195.9°   Direction: South-South-West

HR8122 is a star in the constellation of Capricornus.

HR8122 visual magnitude is 6.04. Because of its reltive faintness, HR8122 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 HR8122 is -0.004 arcsec per year in Right Ascension and -0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8122 star
DSS2 image of HR8122. The red arrow shows the motion of HR8122 during the next 10000 years (-0.67 arcmin in Right Ascension and -3.33 arcmin in declination);

Key facts about HR8122


HR8122 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 19.8°
Azimuth: 195.9°
Direction: South-South-West

Celestial coordinates and finder chart of HR8122

HR8122 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 HR8122 are provided in the following table:

21h 15m 06s
-17° 20’ 41”

The simplified sky map below shows the position of HR8122 in the sky:

Finder chart HR8122 star
Simplified finder chart for HR8122.

Visibility of HR8122 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 HR8122 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: 107.3°
Max altitude: 21.2°
Azimuth: 252.7°

Distance of HR8122 from the Sun and relative movement

HR8122 is distant 368.36 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

112.99 pc
368.36 ly
4 km/s
-0.004 arcsec/year
-0.02 arcsec/year

Spectral properties of HR8122

HR8122 belongs to spectral class G5


The red dot in the diagram below shows where HR8122 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8122. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8122