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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: 6:57  
clear_day Transit: 12:11  
SunsetSet: 17:27
sunny DaytimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 69.2°   Azimuth: 87.1°   Direction: East

HR8136 is a sub-giant star in the constellation of Cygnus.

HR8136 visual magnitude is 6.46. Because of its reltive faintness, HR8136 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 HR8136 is -0.042 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 HR8136 star
DSS2 image of HR8136. The red arrow shows the motion of HR8136 during the next 10000 years (-7.00 arcmin in Right Ascension and -3.83 arcmin in declination);

Key facts about HR8136


HR8136 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 69.2°
Azimuth: 87.1°
Direction: East

Celestial coordinates and finder chart of HR8136

HR8136 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 HR8136 are provided in the following table:

21h 15m 36s
+47° 58’ 24”

The simplified sky map below shows the position of HR8136 in the sky:

Finder chart HR8136 star
Simplified finder chart for HR8136.

Visibility of HR8136 from your location

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

HR8136 is circumpolar and transits at 11:00 UTC (altitude: 86.5°)

Distance of HR8136 from the Sun and relative movement

HR8136 is distant 1,552.38 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

476.19 pc
1,552.38 ly
-26 km/s
-0.042 arcsec/year
-0.023 arcsec/year

Spectral properties of HR8136

HR8136 belongs to spectral class B4 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR8136 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8136. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8136