Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:10 south
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All Constellations » Apus » 


Altitude: -35.4°   Azimuth: 183.7°   Direction: South

HR6751 is a double main-sequence star in the constellation of Apus.

HR6751 visual magnitude is 5.85. Because of its reltive faintness, HR6751 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 HR6751:


HR6751 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -35.4°
Azimuth: 183.7°
Direction: South

Celestial coordinates and finder chart of HR6751

HR6751 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 HR6751 are provided in the following table:

18h 12m 34s
-73° 40’ 18”

The simplified sky map below shows the position of HR6751 in the sky:

Finder chart HR6751 star
Simplified finder chart for HR6751.

Visibility of HR6751 from your location

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

HR6751 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR6751

The image below is a photograph of HR6751 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 HR6751 is -0.053 arcsec per year in Right Ascension and -0.231 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6751 star
DSS2 image of HR6751. The red arrow shows the motion of HR6751 during the next 1000 years (-0.88 arcmin in Right Ascension and -3.85 arcmin in declination);

Distance of HR6751 from the Sun and relative movement

HR6751 is distant 133.17 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

40.85 pc
133.17 ly
13 km/s
-0.053 arcsec/year
-0.231 arcsec/year

Spectral properties of HR6751

HR6751 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 HR6751 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR6751. Attribution: Richard Powell / CC BY-SA

HR6751 star system properties

HR6751 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR6751 double sysyem:

2.8 arcsec

Alternative designations of HR6751