Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]


HR7181 is a giant star in the constellation of Lyra.

HR7181 visual magnitude is 5.27. Because of its reltive faintness, HR7181 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 HR7181:

HR7181 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 33°.

Celestial coordinates and finder chart of HR7181

HR7181 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 HR7181 are provided in the following table:

18h 59m 45s
+26° 13’ 50”

The simplified sky map below shows the position of HR7181 in the sky:

Finder chart HR7181 star
Simplified finder chart for HR7181.

Visibility of HR7181 from your location

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

Today's HR7181 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 63.8°
Max altitude: 64.8°
Azimuth: 296.2°
HR7181 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7181

The image below is a photograph of HR7181 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 HR7181 is 0.088 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7181 star
DSS2 image of HR7181. The red arrow shows the motion of HR7181 during the next 10000 years (14.67 arcmin in Right Ascension and -1.33 arcmin in declination);

Distance of HR7181 from the Sun and relative movement

HR7181 is distant 348.29 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

106.84 pc
348.29 ly
-24 km/s
0.088 arcsec/year
-0.008 arcsec/year

Spectral properties of HR7181

HR7181 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR7181 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR7181. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7181