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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
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sleep NighttimeWhat's Visible Now?
All Constellations » Serpens » 


Altitude: -7.6°   Azimuth: 86.9°   Direction: East

HR6813 is a star in the constellation of Serpens.

HR6813 visual magnitude is 6.59. Because of its reltive faintness, HR6813 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 HR6813 is 0.015 arcsec per year in Right Ascension and 0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6813 star
DSS2 image of HR6813. The red arrow shows the motion of HR6813 during the next 10000 years (2.50 arcmin in Right Ascension and 3.67 arcmin in declination);

Key facts about HR6813


HR6813 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -7.6°
Azimuth: 86.9°
Direction: East

Celestial coordinates and finder chart of HR6813

HR6813 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6813 are provided in the following table:

18h 13m 09s
-04° 00’ 42”

The simplified sky map below shows the position of HR6813 in the sky:

Finder chart HR6813 star
Simplified finder chart for HR6813.

Visibility of HR6813 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 HR6813 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: 94.0°
Max altitude: 34.5°
Azimuth: 266.0°

Distance of HR6813 from the Sun and relative movement

HR6813 is distant 312.56 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

95.88 pc
312.56 ly
-11 km/s
0.015 arcsec/year
0.022 arcsec/year

Spectral properties of HR6813

HR6813 belongs to spectral class A2


The red dot in the diagram below shows where HR6813 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6813. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6813