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: 21:09 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Hercules » 


Altitude: 68.9°   Azimuth: 143.9°   Direction: South-East

HR6737 is a multiple giant star in the constellation of Hercules.

HR6737 visual magnitude is 6.15. Because of its reltive faintness, HR6737 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 HR6737:


HR6737 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 68.9°
Azimuth: 143.9°
Direction: South-East

Celestial coordinates and finder chart of HR6737

HR6737 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6737 are provided in the following table:

18h 01m 35s
+33° 18’ 41”

The simplified sky map below shows the position of HR6737 in the sky:

Finder chart HR6737 star
Simplified finder chart for HR6737.

Visibility of HR6737 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 HR6737 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: 56.7°
Max altitude: 71.8°
Azimuth: 303.3°
HR6737 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6737

The image below is a photograph of HR6737 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 HR6737 is 0.025 arcsec per year in Right Ascension and 0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6737 star
DSS2 image of HR6737. The red arrow shows the motion of HR6737 during the next 10000 years (4.17 arcmin in Right Ascension and 3.83 arcmin in declination);

Distance of HR6737 from the Sun and relative movement

HR6737 is distant 967.36 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

296.74 pc
967.36 ly
-10 km/s
0.025 arcsec/year
0.023 arcsec/year

Spectral properties of HR6737

HR6737 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6737 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6737. Attribution: Richard Powell / CC BY-SA

HR6737 star system properties

HR6737 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR6737 double sysyem:

14.2 arcsec

Alternative designations of HR6737