We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
sunny DaytimeWhat's Visible Now?
All Constellations » Lacerta » 


Altitude: 80.6°   Azimuth: 104.9°   Direction: East-South-East

HR8427 is a variable main-sequence star in the constellation of Lacerta.

HR8427 visual magnitude is 6.27. Because of its reltive faintness, HR8427 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR8427 is -0.005 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 HR8427 star
DSS2 image of HR8427. The red arrow shows the motion of HR8427 during the next 100000 years (-8.33 arcmin in Right Ascension and 6.67 arcmin in declination);

Key facts about HR8427


HR8427 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 80.6°
Azimuth: 104.9°
Direction: East-South-East

Celestial coordinates and finder chart of HR8427

HR8427 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 HR8427 are provided in the following table:

22h 05m 51s
+48° 13’ 54”

The simplified sky map below shows the position of HR8427 in the sky:

Finder chart HR8427 star
Simplified finder chart for HR8427.

Visibility of HR8427 from your location

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

HR8427 is circumpolar and transits at 11:18 UTC (altitude: 86.8°)

Distance of HR8427 from the Sun and relative movement

HR8427 is distant 1,963.86 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

602.41 pc
1,963.86 ly
-18 km/s
-0.005 arcsec/year
0.004 arcsec/year

Spectral properties of HR8427

HR8427 belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR8427 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8427. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8427