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
sunny DaytimeWhat's Visible Now
All Constellations » Canes Venatici » 


Altitude: 53.7°   Azimuth: 91.1°   Direction: East

HR5186 is a double hypergiant star in the constellation of Canes Venatici.

HR5186 visual magnitude is 5.5. Because of its reltive faintness, HR5186 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 HR5186:


HR5186 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 53.7°
Azimuth: 91.1°
Direction: East

Celestial coordinates and finder chart of HR5186

HR5186 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 HR5186 are provided in the following table:

13h 46m 59s
+38° 32’ 34”
Canes Venatici

The simplified sky map below shows the position of HR5186 in the sky:

Finder chart HR5186 star
Simplified finder chart for HR5186.

Visibility of HR5186 from your location

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

HR5186 is circumpolar and transits at 20:46 UTC (altitude: 77.1°)

Digitized Sky Survey image of HR5186

The image below is a photograph of HR5186 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 HR5186 is -0.131 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR5186 star
DSS2 image of HR5186. The red arrow shows the motion of HR5186 during the next 1000 years (-2.18 arcmin in Right Ascension and -0.27 arcmin in declination);

Distance of HR5186 from the Sun and relative movement

HR5186 is distant 303.54 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

93.11 pc
303.54 ly
-10 km/s
-0.131 arcsec/year
-0.016 arcsec/year

Spectral properties of HR5186

HR5186 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR5186 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR5186. Attribution: Richard Powell / CC BY-SA

HR5186 star system properties

HR5186 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR5186 double sysyem:

71.3 arcsec

Alternative designations of HR5186