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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
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sunny DaytimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 53.8°   Azimuth: 281.7°   Direction: West-North-West

HR8023 is a main-sequence star in the constellation of Cygnus.

HR8023 visual magnitude is 5.96. Because of its reltive faintness, HR8023 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 HR8023 is -0.005 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR8023 star
DSS2 image of HR8023. The red arrow shows the motion of HR8023 during the next 100000 years (-8.33 arcmin in Right Ascension and 13.33 arcmin in declination);

Key facts about HR8023


HR8023 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 53.8°
Azimuth: 281.7°
Direction: West-North-West

Celestial coordinates and finder chart of HR8023

HR8023 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 HR8023 are provided in the following table:

20h 56m 34s
+44° 55’ 29”

The simplified sky map below shows the position of HR8023 in the sky:

Finder chart HR8023 star
Simplified finder chart for HR8023.

Visibility of HR8023 from your location

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

HR8023 is circumpolar and transits at 10:21 UTC (altitude: 83.4°)

Distance of HR8023 from the Sun and relative movement

HR8023 is distant 3,927.71 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

1,204.82 pc
3,927.71 ly
-6 km/s
-0.005 arcsec/year
0.008 arcsec/year

Spectral properties of HR8023

HR8023 belongs to spectral class O6 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR8023 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8023. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8023