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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: 7:43  
clear_day Transit: 11:47  
SunsetSet: 15:52 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Sagittarius » 


Altitude: -34.6°   Azimuth: 93.3°   Direction: East

HR6836 is a hypergiant star in the constellation of Sagittarius.

HR6836 visual magnitude is 6.4. Because of its reltive faintness, HR6836 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 HR6836:


HR6836 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -34.6°
Azimuth: 93.3°
Direction: East

Celestial coordinates and finder chart of HR6836

HR6836 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 HR6836 are provided in the following table:

18h 17m 23s
-28° 17’ 21”

The simplified sky map below shows the position of HR6836 in the sky:

Finder chart HR6836 star
Simplified finder chart for HR6836.

Visibility of HR6836 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 HR6836 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: 118.3°
Max altitude: 10.2°
Azimuth: 241.7°

Digitized Sky Survey image of HR6836

The image below is a photograph of HR6836 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 HR6836 is 0.134 arcsec per year in Right Ascension and -0.156 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6836 star
DSS2 image of HR6836. The red arrow shows the motion of HR6836 during the next 1000 years (2.23 arcmin in Right Ascension and -2.60 arcmin in declination);

Distance of HR6836 from the Sun and relative movement

HR6836 is distant 96.68 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

29.66 pc
96.68 ly
7 km/s
0.134 arcsec/year
-0.156 arcsec/year

Spectral properties of HR6836

HR6836 belongs to spectral class G0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR6836 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6836. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6836