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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Hercules » 


Altitude: 50.2°   Azimuth: 152.0°   Direction: South-South-East

HR6611 is a variable and double star in the constellation of Hercules.

HR6611 visual magnitude is 6.19. Because of its reltive faintness, HR6611 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 HR6611:


HR6611 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 50.2°
Azimuth: 152.0°
Direction: South-South-East

Celestial coordinates and finder chart of HR6611

HR6611 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 HR6611 are provided in the following table:

17h 44m 17s
+14° 24’ 37”

The simplified sky map below shows the position of HR6611 in the sky:

Finder chart HR6611 star
Simplified finder chart for HR6611.

Visibility of HR6611 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 HR6611 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: 75.6°
Max altitude: 52.9°
Azimuth: 284.4°

Digitized Sky Survey image of HR6611

The image below is a photograph of HR6611 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 HR6611 is 0.001 arcsec per year in Right Ascension and 0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6611 star
DSS2 image of HR6611. The red arrow shows the motion of HR6611 during the next 10000 years (0.17 arcmin in Right Ascension and 3.00 arcmin in declination);

Distance of HR6611 from the Sun and relative movement

HR6611 is distant 470.42 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

144.30 pc
470.42 ly
-31 km/s
0.001 arcsec/year
0.018 arcsec/year

Spectral properties of HR6611

HR6611 belongs to spectral class A3


The red dot in the diagram below shows where HR6611 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6611. Attribution: Richard Powell / CC BY-SA

HR6611 star system properties

HR6611 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 HR6611 double sysyem:

39.7 arcsec

Alternative designations of HR6611