Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 5:59  ☀️ Transit: 12:05  🌅 Sunset: 18:13


HR931 is a giant star in the constellation of Aries.

HR931 visual magnitude is 5.62. Because of its reltive faintness, HR931 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR931:

HR931 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR931

HR931 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 HR931 are provided in the following table:

03h 06m 23s
+13° 11’ 13”

The simplified sky map below shows the position of HR931 in the sky:

Finder chart HR931 star
Simplified finder chart for HR931.

Visibility of HR931 from your location

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

Today's HR931 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.8°
Max altitude: 51.7°
Azimuth: 283.2°
HR931 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR931

The image below is a photograph of HR931 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR931 is 0 arcsec per year in Right Ascension and -0.063 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR931 star
DSS2 image of HR931. The red arrow shows the motion of HR931 during the next 10000 years (0.00 arcmin in Right Ascension and -10.50 arcmin in declination);

Distance of HR931 from the Sun and relative movement

HR931 is distant 319.29 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

97.94 pc
319.29 ly
-15 km/s
-0.063 arcsec/year

Spectral properties of HR931

HR931 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 HR931 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR931. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR931