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 » 


Altitude: 7.3°   Azimuth: 351.0°   Direction: North

HR8617 is a giant star in the constellation of Lacerta.

HR8617 visual magnitude is 6.4. Because of its reltive faintness, HR8617 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 HR8617:


HR8617 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.3°
Azimuth: 351.0°
Direction: North

Celestial coordinates and finder chart of HR8617

HR8617 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 HR8617 are provided in the following table:

22h 38m 17s
+45° 10’ 59”

The simplified sky map below shows the position of HR8617 in the sky:

Finder chart HR8617 star
Simplified finder chart for HR8617.

Visibility of HR8617 from your location

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

HR8617 is circumpolar and transits at 05:36 UTC (altitude: 83.7°)

Digitized Sky Survey image of HR8617

The image below is a photograph of HR8617 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 HR8617 is 0.003 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR8617 star
DSS2 image of HR8617. The red arrow shows the motion of HR8617 during the next 100000 years (5.00 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR8617 from the Sun and relative movement

HR8617 is distant 522.44 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

160.26 pc
522.44 ly
-4 km/s
0.003 arcsec/year

Spectral properties of HR8617

HR8617 belongs to spectral class G2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8617 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8617. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8617