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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: 6:59  
clear_day Transit: 12:12  
SunsetSet: 17:25
sleep NighttimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 27.0°   Azimuth: 53.7°   Direction: North-East

HR7861 is a giant star in the constellation of Cygnus.

HR7861 visual magnitude is 6.6. Because of its reltive faintness, HR7861 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR7861 is 0.007 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7861 star
DSS2 image of HR7861. The red arrow shows the motion of HR7861 during the next 100000 years (11.67 arcmin in Right Ascension and 1.67 arcmin in declination);

Key facts about HR7861


HR7861 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 27.0°
Azimuth: 53.7°
Direction: North-East

Celestial coordinates and finder chart of HR7861

HR7861 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 HR7861 are provided in the following table:

20h 32m 52s
+43° 11’ 30”

The simplified sky map below shows the position of HR7861 in the sky:

Finder chart HR7861 star
Simplified finder chart for HR7861.

Visibility of HR7861 from your location

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

HR7861 is circumpolar and transits at 10:21 UTC (altitude: 81.7°)

Distance of HR7861 from the Sun and relative movement

HR7861 is distant 1,781.42 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

546.45 pc
1,781.42 ly
-17 km/s
0.007 arcsec/year
0.001 arcsec/year

Spectral properties of HR7861

HR7861 belongs to spectral class B4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR7861 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7861. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7861