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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 4.4°   Azimuth: 344.2°   Direction: North-North-West

HR8306 is a variable giant star in the constellation of Cygnus.

HR8306 visual magnitude is 5.49. Because of its reltive faintness, HR8306 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 HR8306:


HR8306 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 4.4°
Azimuth: 344.2°
Direction: North-North-West

Celestial coordinates and finder chart of HR8306

HR8306 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 HR8306 are provided in the following table:

21h 43m 06s
+41° 09’ 18”

The simplified sky map below shows the position of HR8306 in the sky:

Finder chart HR8306 star
Simplified finder chart for HR8306.

Visibility of HR8306 from your location

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

HR8306 is circumpolar and transits at 17:01 UTC (altitude: 79.7°)

Digitized Sky Survey image of HR8306

The image below is a photograph of HR8306 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 HR8306 is -0.023 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8306 star
DSS2 image of HR8306. The red arrow shows the motion of HR8306 during the next 10000 years (-3.83 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of HR8306 from the Sun and relative movement

HR8306 is distant 587.39 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

180.18 pc
587.39 ly
-23 km/s
-0.023 arcsec/year
-0.015 arcsec/year

Spectral properties of HR8306

HR8306 belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8306 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8306. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8306