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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
north SunriseRise: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 31.9°   Azimuth: 80.5°   Direction: East

HR8261 is a double giant star in the constellation of Cygnus.

HR8261 visual magnitude is 6.36. Because of its reltive faintness, HR8261 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 HR8261:


HR8261 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 31.9°
Azimuth: 80.5°
Direction: East

Celestial coordinates and finder chart of HR8261

HR8261 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 HR8261 are provided in the following table:

21h 36m 13s
+30° 03’ 20”

The simplified sky map below shows the position of HR8261 in the sky:

Finder chart HR8261 star
Simplified finder chart for HR8261.

Visibility of HR8261 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 HR8261 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: 59.9°
Max altitude: 68.6°
Azimuth: 300.1°

Digitized Sky Survey image of HR8261

The image below is a photograph of HR8261 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 HR8261 is -0.063 arcsec per year in Right Ascension and 0.062 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8261 star
DSS2 image of HR8261. The red arrow shows the motion of HR8261 during the next 10000 years (-10.50 arcmin in Right Ascension and 10.33 arcmin in declination);

Distance of HR8261 from the Sun and relative movement

HR8261 is distant 356.67 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

109.41 pc
356.67 ly
-20 km/s
-0.063 arcsec/year
0.062 arcsec/year

Spectral properties of HR8261

HR8261 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8261 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8261. Attribution: Richard Powell / CC BY-SA

HR8261 star system properties

HR8261 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR8261 double sysyem:

2.1 arcsec

Alternative designations of HR8261