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🌎  Greenwich, United Kingdom [change]


HR8831 is a giant star in the constellation of Pegasus.

HR8831 visual magnitude is 6.35. Because of its reltive faintness, HR8831 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 HR8831:

HR8831 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR8831

HR8831 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8831 are provided in the following table:

23h 13m 04s
+29° 26’ 30”

The simplified sky map below shows the position of HR8831 in the sky:

Finder chart HR8831 star
Simplified finder chart for HR8831.

Visibility of HR8831 from your location

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

Today's HR8831 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.6°
Max altitude: 68.0°
Azimuth: 299.4°
HR8831 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8831

The image below is a photograph of HR8831 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 HR8831 is -0.031 arcsec per year in Right Ascension and -0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8831 star
DSS2 image of HR8831. The red arrow shows the motion of HR8831 during the next 10000 years (-5.17 arcmin in Right Ascension and -5.50 arcmin in declination);

Distance of HR8831 from the Sun and relative movement

HR8831 is distant 421.73 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

129.37 pc
421.73 ly
4 km/s
-0.031 arcsec/year
-0.033 arcsec/year

Spectral properties of HR8831

HR8831 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 HR8831 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8831. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8831