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A Complete Guide to the Solar System and the Night Sky
public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:28 
Transit: 12:55 
Sunset: 20:24
sleep   (Nighttime)   What's Visible Now?
All Constellations » Pavo » 

HR6805

Altitude: -40.7°   Azimuth: 143.9°   Direction: South-East

HR6805 is a double hypergiant star in the constellation of Pavo.

HR6805 visual magnitude is 5.6. Because of its reltive faintness, HR6805 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR6805 is -0.023 arcsec per year in Right Ascension and -0.031 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6805 star
DSS2 image of HR6805. The red arrow shows the motion of HR6805 during the next 10000 years (-3.83 arcmin in Right Ascension and -5.17 arcmin in declination);

Key facts about HR6805

5.6
Hypergiant

HR6805 is below the horizon from Greenwich, United Kingdom.

Altitude: -40.7°
Azimuth: 143.9°
Direction: South-East

Celestial coordinates and finder chart of HR6805

HR6805 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6805 are provided in the following table:

18h 15m 40s
-63° 03’ 20”
331.4°
-20.11°
Pavo

The simplified sky map below shows the position of HR6805 in the sky:

Finder chart HR6805 star
Simplified finder chart for HR6805.

Visibility of HR6805 from your location

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

HR6805 is currently not visible from Greenwich, United Kingdom

Distance of HR6805 from the Sun and relative movement

HR6805 is distant 295.83 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

90.74 pc
295.83 ly
-7 km/s
-0.023 arcsec/year
-0.031 arcsec/year

Spectral properties of HR6805

HR6805 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

0.81
K0III
4943K

The red dot in the diagram below shows where HR6805 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6805. Attribution: Richard Powell / CC BY-SA

HR6805 star system properties

HR6805 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR6805 double sysyem:

5.6
11.2
5.6
41.9 arcsec

Alternative designations of HR6805

SAO254189
SAO254189