We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 39.8°   Azimuth: 90.2°   Direction: East

HR8126 is a supergiant star in the constellation of Cygnus.

HR8126 visual magnitude is 6.17. Because of its reltive faintness, HR8126 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 HR8126:


HR8126 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 39.8°
Azimuth: 90.2°
Direction: East

Celestial coordinates and finder chart of HR8126

HR8126 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 HR8126 are provided in the following table:

21h 14m 10s
+29° 54’ 03”

The simplified sky map below shows the position of HR8126 in the sky:

Finder chart HR8126 star
Simplified finder chart for HR8126.

Visibility of HR8126 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 HR8126 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: 60.1°
Max altitude: 68.4°
Azimuth: 299.9°

Digitized Sky Survey image of HR8126

The image below is a photograph of HR8126 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 HR8126 is 0.001 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR8126 star
DSS2 image of HR8126. The red arrow shows the motion of HR8126 during the next 100000 years (1.67 arcmin in Right Ascension and 8.33 arcmin in declination);

Distance of HR8126 from the Sun and relative movement

HR8126 is distant 2,432.84 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

746.27 pc
2,432.84 ly
-5 km/s
0.001 arcsec/year
0.005 arcsec/year

Spectral properties of HR8126

HR8126 belongs to spectral class G6 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR8126 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8126. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8126