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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:43  
clear_day Transit: 11:47  
SunsetSet: 15:52 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Cassiopeia » 


Altitude: 38.7°   Azimuth: 336.0°   Direction: North-North-West

HR829 is a variable supergiant star in the constellation of Cassiopeia.

HR829 visual magnitude is 5.8. Because of its reltive faintness, HR829 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 HR829:


HR829 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 38.7°
Azimuth: 336.0°
Direction: North-North-West

Celestial coordinates and finder chart of HR829

HR829 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR829 are provided in the following table:

02h 51m 58s
+68° 53’ 18”

The simplified sky map below shows the position of HR829 in the sky:

Finder chart HR829 star
Simplified finder chart for HR829.

Visibility of HR829 from your location

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

HR829 is circumpolar and transits at 22:06 UTC (altitude: 72.6°)

Digitized Sky Survey image of HR829

The image below is a photograph of HR829 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 HR829 is -0.006 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR829 star
DSS2 image of HR829. The red arrow shows the motion of HR829 during the next 100000 years (-10.00 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of HR829 from the Sun and relative movement

HR829 is distant 1,411.26 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

432.90 pc
1,411.26 ly
-7 km/s
-0.006 arcsec/year
-0.004 arcsec/year

Spectral properties of HR829

HR829 belongs to spectral class F5 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR829 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR829. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR829