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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
sleep NighttimeWhat's Visible Now?
All Constellations » Hercules » 


Altitude: -0.6°   Azimuth: 51.5°   Direction: North-East

HR6655 is a main-sequence star in the constellation of Hercules.

HR6655 visual magnitude is 5.98. Because of its reltive faintness, HR6655 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 HR6655:


HR6655 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -0.6°
Azimuth: 51.5°
Direction: North-East

Celestial coordinates and finder chart of HR6655

HR6655 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 HR6655 are provided in the following table:

17h 50m 48s
+22° 18’ 59”

The simplified sky map below shows the position of HR6655 in the sky:

Finder chart HR6655 star
Simplified finder chart for HR6655.

Visibility of HR6655 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 HR6655 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: 67.7°
Max altitude: 60.8°
Azimuth: 292.3°

Digitized Sky Survey image of HR6655

The image below is a photograph of HR6655 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 HR6655 is 0.014 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6655 star
DSS2 image of HR6655. The red arrow shows the motion of HR6655 during the next 10000 years (2.33 arcmin in Right Ascension and -2.67 arcmin in declination);

Distance of HR6655 from the Sun and relative movement

HR6655 is distant 318.05 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

97.56 pc
318.05 ly
4 km/s
0.014 arcsec/year
-0.016 arcsec/year

Spectral properties of HR6655

HR6655 belongs to spectral class A9 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR6655 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6655. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6655