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


Altitude: 21.3°   Azimuth: 282.6°   Direction: West-North-West

HR8190 is a double sub-giant star in the constellation of Vulpecula.

HR8190 visual magnitude is 5.71. Because of its reltive faintness, HR8190 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 HR8190:


HR8190 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 21.3°
Azimuth: 282.6°
Direction: West-North-West

Celestial coordinates and finder chart of HR8190

HR8190 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 HR8190 are provided in the following table:

21h 23m 58s
+24° 16’ 27”

The simplified sky map below shows the position of HR8190 in the sky:

Finder chart HR8190 star
Simplified finder chart for HR8190.

Visibility of HR8190 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 HR8190 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: 65.7°
Max altitude: 62.8°
Azimuth: 294.3°

Digitized Sky Survey image of HR8190

The image below is a photograph of HR8190 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 HR8190 is 0.136 arcsec per year in Right Ascension and 0.022 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR8190 star
DSS2 image of HR8190. The red arrow shows the motion of HR8190 during the next 1000 years (2.27 arcmin in Right Ascension and 0.37 arcmin in declination);

Distance of HR8190 from the Sun and relative movement

HR8190 is distant 180.61 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

55.40 pc
180.61 ly
-18 km/s
0.136 arcsec/year
0.022 arcsec/year

Spectral properties of HR8190

HR8190 belongs to spectral class F1 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR8190 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8190. Attribution: Richard Powell / CC BY-SA

HR8190 star system properties

HR8190 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 HR8190 double sysyem:

53.9 arcsec

Alternative designations of HR8190