Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:47  
clear_day Transit: 12:50  
SunsetSet: 18:52 south
sunny DaytimeWhat's Visible Now
All Constellations » Pegasus » 


Altitude: -18.2°   Azimuth: 28.5°   Direction: North-North-East

HR8116 is a double main-sequence star in the constellation of Pegasus.

HR8116 visual magnitude is 6.27. Because of its reltive faintness, HR8116 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8116:


HR8116 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -18.2°
Azimuth: 28.5°
Direction: North-North-East

Celestial coordinates and finder chart of HR8116

HR8116 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8116 are provided in the following table:

21h 13m 28s
+15° 58’ 56”

The simplified sky map below shows the position of HR8116 in the sky:

Finder chart HR8116 star
Simplified finder chart for HR8116.

Visibility of HR8116 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 HR8116 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: 74.0°
Max altitude: 54.5°
Azimuth: 286.0°

Digitized Sky Survey image of HR8116

The image below is a photograph of HR8116 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR8116 is 0.043 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8116 star
DSS2 image of HR8116. The red arrow shows the motion of HR8116 during the next 10000 years (7.17 arcmin in Right Ascension and -3.83 arcmin in declination);

Distance of HR8116 from the Sun and relative movement

HR8116 is distant 291.85 light years from the Sun and it is moving towards the Sun at the speed of 30 kilometers per second.

89.53 pc
291.85 ly
-30 km/s
0.043 arcsec/year
-0.023 arcsec/year

Spectral properties of HR8116

HR8116 belongs to spectral class A7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR8116 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8116. Attribution: Richard Powell / CC BY-SA

HR8116 star system properties

HR8116 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR8116 double sysyem:

0.2 arcsec

Alternative designations of HR8116