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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: 7:50  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Auriga » 


Altitude: 6.8°   Azimuth: 337.0°   Direction: North-North-West

HR1824 is a hypergiant star in the constellation of Auriga.

HR1824 visual magnitude is 6. Because of its reltive faintness, HR1824 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 HR1824:


HR1824 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.8°
Azimuth: 337.0°
Direction: North-North-West

Celestial coordinates and finder chart of HR1824

HR1824 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 HR1824 are provided in the following table:

05h 30m 48s
+41° 27’ 42”

The simplified sky map below shows the position of HR1824 in the sky:

Finder chart HR1824 star
Simplified finder chart for HR1824.

Visibility of HR1824 from your location

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

HR1824 is circumpolar and transits at 00:24 UTC (altitude: 80.0°)

Digitized Sky Survey image of HR1824

The image below is a photograph of HR1824 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 HR1824 is 0.002 arcsec per year in Right Ascension and -0.035 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1824 star
DSS2 image of HR1824. The red arrow shows the motion of HR1824 during the next 10000 years (0.33 arcmin in Right Ascension and -5.83 arcmin in declination);

Distance of HR1824 from the Sun and relative movement

HR1824 is distant 385.80 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

118.34 pc
385.80 ly
14 km/s
0.002 arcsec/year
-0.035 arcsec/year

Spectral properties of HR1824

HR1824 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR1824 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1824. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1824