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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: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Lacerta » 


Altitude: 64.7°   Azimuth: 270.0°   Direction: West

HR8424 is a variable giant star in the constellation of Lacerta.

HR8424 visual magnitude is 5.14. Because of its reltive faintness, HR8424 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 HR8424:


HR8424 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 64.7°
Azimuth: 270.0°
Direction: West

Celestial coordinates and finder chart of HR8424

HR8424 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 HR8424 are provided in the following table:

22h 06m 02s
+45° 00’ 51”

The simplified sky map below shows the position of HR8424 in the sky:

Finder chart HR8424 star
Simplified finder chart for HR8424.

Visibility of HR8424 from your location

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

HR8424 is circumpolar and transits at 16:53 UTC (altitude: 83.5°)

Digitized Sky Survey image of HR8424

The image below is a photograph of HR8424 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 HR8424 is -0.007 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8424 star
DSS2 image of HR8424. The red arrow shows the motion of HR8424 during the next 10000 years (-1.17 arcmin in Right Ascension and -2.67 arcmin in declination);

Distance of HR8424 from the Sun and relative movement

HR8424 is distant 618.60 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

189.75 pc
618.60 ly
-23 km/s
-0.007 arcsec/year
-0.016 arcsec/year

Spectral properties of HR8424

HR8424 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8424 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8424. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8424