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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: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sleep NighttimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 7.4°   Azimuth: 38.7°   Direction: North-East

HR7932 is a variable supergiant star in the constellation of Cygnus.

HR7932 visual magnitude is 6.47. Because of its reltive faintness, HR7932 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 HR7932 is -0.01 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7932 star
DSS2 image of HR7932. The red arrow shows the motion of HR7932 during the next 10000 years (-1.67 arcmin in Right Ascension and -0.50 arcmin in declination);

Key facts about HR7932


HR7932 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.4°
Azimuth: 38.7°
Direction: North-East

Celestial coordinates and finder chart of HR7932

HR7932 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 HR7932 are provided in the following table:

20h 43m 24s
+35° 35’ 16”

The simplified sky map below shows the position of HR7932 in the sky:

Finder chart HR7932 star
Simplified finder chart for HR7932.

Visibility of HR7932 from your location

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

Today's HR7932 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 54.4°
Max altitude: 74.1°
Azimuth: 305.6°

Distance of HR7932 from the Sun and relative movement

HR7932 is distant 2,217.69 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

680.27 pc
2,217.69 ly
10 km/s
-0.01 arcsec/year
-0.003 arcsec/year

Spectral properties of HR7932

HR7932 belongs to spectral class F7 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR7932 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7932. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7932