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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: 7:52  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
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All Constellations » Cygnus » 


Altitude: 14.9°   Azimuth: 340.1°   Direction: North-North-West

HR7311 is a multiple giant star in the constellation of Cygnus.

HR7311 visual magnitude is 6.27. Because of its reltive faintness, HR7311 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 HR7311:


HR7311 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 14.9°
Azimuth: 340.1°
Direction: North-North-West

Celestial coordinates and finder chart of HR7311

HR7311 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 HR7311 are provided in the following table:

19h 15m 19s
+50° 04’ 14”

The simplified sky map below shows the position of HR7311 in the sky:

Finder chart HR7311 star
Simplified finder chart for HR7311.

Visibility of HR7311 from your location

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

HR7311 is circumpolar and transits at 13:59 UTC (altitude: 88.6°)

Digitized Sky Survey image of HR7311

The image below is a photograph of HR7311 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 HR7311 is 0.005 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7311 star
DSS2 image of HR7311. The red arrow shows the motion of HR7311 during the next 100000 years (8.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of HR7311 from the Sun and relative movement

HR7311 is distant 342.44 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

105.04 pc
342.44 ly
6 km/s
0.005 arcsec/year
-0.003 arcsec/year

Spectral properties of HR7311

HR7311 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 HR7311 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7311. Attribution: Richard Powell / CC BY-SA

HR7311 star system properties

HR7311 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 HR7311 double sysyem:

2.1 arcsec

Alternative designations of HR7311