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🌎  Greenwich, United Kingdom [change]


HR823 is a variable main-sequence star in the constellation of Horologium.

HR823 visual magnitude is 6.26. Because of its reltive faintness, HR823 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 HR823:

HR823 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR823

HR823 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR823 are provided in the following table:

02h 43m 26s
-66° 42’ 51”

The simplified sky map below shows the position of HR823 in the sky:

Finder chart HR823 star
Simplified finder chart for HR823.

Visibility of HR823 from your location

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

HR823 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR823

The image below is a photograph of HR823 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 HR823 is 0.108 arcsec per year in Right Ascension and -0.07 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR823 star
DSS2 image of HR823. The red arrow shows the motion of HR823 during the next 1000 years (1.80 arcmin in Right Ascension and -1.17 arcmin in declination);

Distance of HR823 from the Sun and relative movement

HR823 is distant 177.56 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

54.47 pc
177.56 ly
-20 km/s
0.108 arcsec/year
-0.07 arcsec/year

Spectral properties of HR823

HR823 belongs to spectral class F5 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR823 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR823. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR823