Your guide to the Solar System and the night sky
By donating now you help keep this site alive and free from ads. Please consider supporting this project.
🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:38  ☀️ Transit: 13:03  🌅 Sunset: 19:28


HR8451 is a main-sequence star in the constellation of Aquarius.

HR8451 visual magnitude is 6.27. Because of its reltive faintness, HR8451 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 HR8451:

HR8451 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR8451

HR8451 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 HR8451 are provided in the following table:

22h 10m 21s
-03° 53’ 39”

The simplified sky map below shows the position of HR8451 in the sky:

Finder chart HR8451 star
Simplified finder chart for HR8451.

Visibility of HR8451 from your location

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

Today's HR8451 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 93.9°
Max altitude: 34.6°
Azimuth: 266.1°
HR8451 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8451

The image below is a photograph of HR8451 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 HR8451 is 0.019 arcsec per year in Right Ascension and -0.05 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8451 star
DSS2 image of HR8451. The red arrow shows the motion of HR8451 during the next 10000 years (3.17 arcmin in Right Ascension and -8.33 arcmin in declination);

Distance of HR8451 from the Sun and relative movement

HR8451 is distant 362.22 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

111.11 pc
362.22 ly
-10 km/s
0.019 arcsec/year
-0.05 arcsec/year

Spectral properties of HR8451

HR8451 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR8451 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8451. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8451