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: 21:10 south
sunny DaytimeWhat's Visible Now
All Constellations » Lacerta » 

HR8718

Altitude: 1.6°   Azimuth: 338.8°   Direction: North-North-West

HR8718 is a bright giant star in the constellation of Lacerta.

HR8718 visual magnitude is 5.91. Because of its reltive faintness, HR8718 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 HR8718:

5.91
Bright giant

HR8718 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 1.6°
Azimuth: 338.8°
Direction: North-North-West

Celestial coordinates and finder chart of HR8718

HR8718 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 HR8718 are provided in the following table:

22h 55m 02s
+37° 04’ 36”
98.51°
-20.21°
Lacerta

The simplified sky map below shows the position of HR8718 in the sky:

Finder chart HR8718 star
Simplified finder chart for HR8718.

Visibility of HR8718 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 HR8718 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: 52.9°
Max altitude: 75.6°
Azimuth: 307.1°
HR8718 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8718

The image below is a photograph of HR8718 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 HR8718 is 0.086 arcsec per year in Right Ascension and 0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8718 star
DSS2 image of HR8718. The red arrow shows the motion of HR8718 during the next 10000 years (14.33 arcmin in Right Ascension and 1.17 arcmin in declination);

Distance of HR8718 from the Sun and relative movement

HR8718 is distant 134.49 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

41.25 pc
134.49 ly
-28 km/s
0.086 arcsec/year
0.007 arcsec/year

Spectral properties of HR8718

HR8718 belongs to spectral class F5 and has a luminosity class of II corresponding to a bright giant star.

2.83
F5II
6776K

The red dot in the diagram below shows where HR8718 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8718. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8718

SAO72838
SAO72838