Your guide to the Solar System and the night sky
Latest Perseverance Images received 5 hours 19 mins ago for Sol242, Sol240
Please help keep TheSkyLive ads-free, DONATE NOW via PayPal!. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]


HR8231 is a main-sequence star in the constellation of Pegasus.

HR8231 visual magnitude is 6.08. Because of its reltive faintness, HR8231 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 HR8231:

HR8231 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 22°.

Celestial coordinates and finder chart of HR8231

HR8231 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 HR8231 are provided in the following table:

21h 31m 09s
+12° 08’ 14”

The simplified sky map below shows the position of HR8231 in the sky:

Finder chart HR8231 star
Simplified finder chart for HR8231.

Visibility of HR8231 from your location

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

Today's HR8231 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 77.9°
Max altitude: 50.7°
Azimuth: 282.1°
HR8231 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8231

The image below is a photograph of HR8231 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 HR8231 is 0.019 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8231 star
DSS2 image of HR8231. The red arrow shows the motion of HR8231 during the next 10000 years (3.17 arcmin in Right Ascension and -2.33 arcmin in declination);

Distance of HR8231 from the Sun and relative movement

HR8231 is distant 416.88 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

127.88 pc
416.88 ly
-10 km/s
0.019 arcsec/year
-0.014 arcsec/year

Spectral properties of HR8231

HR8231 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR8231 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8231. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8231