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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
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Ophiuchus » 


Altitude: 30.0°   Azimuth: 231.5°   Direction: South-West

HR6797 is a multiple main-sequence star in the constellation of Ophiuchus.

HR6797 visual magnitude is 5.69. Because of its reltive faintness, HR6797 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 HR6797:


HR6797 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 30.0°
Azimuth: 231.5°
Direction: South-West

Celestial coordinates and finder chart of HR6797

HR6797 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 HR6797 are provided in the following table:

18h 09m 53s
+03° 07’ 10”

The simplified sky map below shows the position of HR6797 in the sky:

Finder chart HR6797 star
Simplified finder chart for HR6797.

Visibility of HR6797 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 HR6797 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: 86.9°
Max altitude: 41.6°
Azimuth: 273.1°

Digitized Sky Survey image of HR6797

The image below is a photograph of HR6797 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 HR6797 is 0.022 arcsec per year in Right Ascension and -0.192 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6797 star
DSS2 image of HR6797. The red arrow shows the motion of HR6797 during the next 1000 years (0.37 arcmin in Right Ascension and -3.20 arcmin in declination);

Distance of HR6797 from the Sun and relative movement

HR6797 is distant 153.05 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

46.95 pc
153.05 ly
-14 km/s
0.022 arcsec/year
-0.192 arcsec/year

Spectral properties of HR6797

HR6797 belongs to spectral class F5 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR6797 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6797. Attribution: Richard Powell / CC BY-SA

HR6797 star system properties

HR6797 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 HR6797 double sysyem:

103.5 arcsec

Alternative designations of HR6797