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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: 6:50  
clear_day Transit: 12:11  
SunsetSet: 17:32
sleep NighttimeWhat's Visible Now?
All Constellations » Horologium » 


Altitude: -59.6°   Azimuth: 252.4°   Direction: West-South-West

HR1090 is a giant star in the constellation of Horologium.

HR1090 visual magnitude is 5.68. Because of its reltive faintness, HR1090 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 HR1090 is 0.097 arcsec per year in Right Ascension and 0.079 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR1090 star
DSS2 image of HR1090. The red arrow shows the motion of HR1090 during the next 1000 years (1.62 arcmin in Right Ascension and 1.32 arcmin in declination);

Key facts about HR1090


HR1090 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -59.6°
Azimuth: 252.4°
Direction: West-South-West

Celestial coordinates and finder chart of HR1090

HR1090 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 HR1090 are provided in the following table:

03h 32m 34s
-50° 22’ 42”

The simplified sky map below shows the position of HR1090 in the sky:

Finder chart HR1090 star
Simplified finder chart for HR1090.

Visibility of HR1090 from your location

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

HR1090 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR1090 from the Sun and relative movement

HR1090 is distant 306.68 light years from the Sun and it is moving far from the Sun at the speed of 37 kilometers per second.

94.07 pc
306.68 ly
37 km/s
0.097 arcsec/year
0.079 arcsec/year

Spectral properties of HR1090

HR1090 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR1090 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR1090. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1090