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


Altitude: 28.9°   Azimuth: 301.0°   Direction: West-North-West

HR6550 is a giant star in the constellation of Hercules.

HR6550 visual magnitude is 5.74. Because of its reltive faintness, HR6550 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 HR6550:


HR6550 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 28.9°
Azimuth: 301.0°
Direction: West-North-West

Celestial coordinates and finder chart of HR6550

HR6550 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 HR6550 are provided in the following table:

17h 33m 07s
+41° 14’ 36”

The simplified sky map below shows the position of HR6550 in the sky:

Finder chart HR6550 star
Simplified finder chart for HR6550.

Visibility of HR6550 from your location

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

HR6550 is circumpolar and transits at 12:52 UTC (altitude: 79.8°)

Digitized Sky Survey image of HR6550

The image below is a photograph of HR6550 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 HR6550 is -0.068 arcsec per year in Right Ascension and -0.06 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6550 star
DSS2 image of HR6550. The red arrow shows the motion of HR6550 during the next 10000 years (-11.33 arcmin in Right Ascension and -10.00 arcmin in declination);

Distance of HR6550 from the Sun and relative movement

HR6550 is distant 378.19 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.

116.01 pc
378.19 ly
-29 km/s
-0.068 arcsec/year
-0.06 arcsec/year

Spectral properties of HR6550

HR6550 belongs to spectral class K1


The red dot in the diagram below shows where HR6550 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6550. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6550