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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: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sleep NighttimeWhat's Visible Now?
All Constellations » Lyra » 


Altitude: 5.4°   Azimuth: 9.7°   Direction: North

HR7003 is a hypergiant star in the constellation of Lyra.

HR7003 visual magnitude is 6.2. Because of its reltive faintness, HR7003 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 HR7003 is 0.023 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7003 star
DSS2 image of HR7003. The red arrow shows the motion of HR7003 during the next 10000 years (3.83 arcmin in Right Ascension and -1.00 arcmin in declination);

Key facts about HR7003


HR7003 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 5.4°
Azimuth: 9.7°
Direction: North

Celestial coordinates and finder chart of HR7003

HR7003 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 HR7003 are provided in the following table:

18h 36m 45s
+43° 13’ 18”

The simplified sky map below shows the position of HR7003 in the sky:

Finder chart HR7003 star
Simplified finder chart for HR7003.

Visibility of HR7003 from your location

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

HR7003 is circumpolar and transits at 07:58 UTC (altitude: 81.7°)

Distance of HR7003 from the Sun and relative movement

HR7003 is distant 410.58 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

125.94 pc
410.58 ly
5 km/s
0.023 arcsec/year
-0.006 arcsec/year

Spectral properties of HR7003

HR7003 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR7003 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR7003. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7003