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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: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
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All Constellations » Horologium » 


Altitude: -35.4°   Azimuth: 220.0°   Direction: South-West

HR977 is a variable bright giant star in the constellation of Horologium.

HR977 visual magnitude is 5.74. Because of its reltive faintness, HR977 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 HR977 is 0.019 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR977 star
DSS2 image of HR977. The red arrow shows the motion of HR977 during the next 10000 years (3.17 arcmin in Right Ascension and 1.50 arcmin in declination);

Key facts about HR977

Bright giant

HR977 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -35.4°
Azimuth: 220.0°
Direction: South-West

Celestial coordinates and finder chart of HR977

HR977 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 HR977 are provided in the following table:

03h 12m 33s
-57° 19’ 18”

The simplified sky map below shows the position of HR977 in the sky:

Finder chart HR977 star
Simplified finder chart for HR977.

Visibility of HR977 from your location

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

HR977 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR977 from the Sun and relative movement

HR977 is distant 1,314.52 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

403.23 pc
1,314.52 ly
14 km/s
0.019 arcsec/year
0.009 arcsec/year

Spectral properties of HR977

HR977 belongs to spectral class C5 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR977 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR977. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR977