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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
sunny DaytimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 68.1°   Azimuth: 153.9°   Direction: South-South-East

HR8084 is a variable supergiant star in the constellation of Cygnus.

HR8084 visual magnitude is 5.82. Because of its reltive faintness, HR8084 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 HR8084:


HR8084 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 68.1°
Azimuth: 153.9°
Direction: South-South-East

Celestial coordinates and finder chart of HR8084

HR8084 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 HR8084 are provided in the following table:

21h 06m 30s
+31° 11’ 04”

The simplified sky map below shows the position of HR8084 in the sky:

Finder chart HR8084 star
Simplified finder chart for HR8084.

Visibility of HR8084 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 HR8084 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: 58.8°
Max altitude: 69.7°
Azimuth: 301.2°

Digitized Sky Survey image of HR8084

The image below is a photograph of HR8084 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 HR8084 is 0.007 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR8084 star
DSS2 image of HR8084. The red arrow shows the motion of HR8084 during the next 100000 years (11.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of HR8084 from the Sun and relative movement

HR8084 is distant 1,895.35 light years from the Sun

581.40 pc
1,895.35 ly
0.007 arcsec/year
-0.004 arcsec/year

Spectral properties of HR8084

HR8084 belongs to spectral class F7 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR8084 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8084. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8084