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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
SunriseRise: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations » Pegasus » 


Altitude: 62.9°   Azimuth: 148.9°   Direction: South-South-East

HR8517 is a variable giant star in the constellation of Pegasus.

HR8517 visual magnitude is 6.47. Because of its reltive faintness, HR8517 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR8517 is 0.015 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8517 star
DSS2 image of HR8517. The red arrow shows the motion of HR8517 during the next 10000 years (2.50 arcmin in Right Ascension and -1.00 arcmin in declination);

Key facts about HR8517


HR8517 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 62.9°
Azimuth: 148.9°
Direction: South-South-East

Celestial coordinates and finder chart of HR8517

HR8517 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 HR8517 are provided in the following table:

22h 21m 00s
+26° 56’ 07”

The simplified sky map below shows the position of HR8517 in the sky:

Finder chart HR8517 star
Simplified finder chart for HR8517.

Visibility of HR8517 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 HR8517 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: 63.1°
Max altitude: 65.5°
Azimuth: 296.9°

Distance of HR8517 from the Sun and relative movement

HR8517 is distant 793.19 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

243.31 pc
793.19 ly
-4 km/s
0.015 arcsec/year
-0.006 arcsec/year

Spectral properties of HR8517

HR8517 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8517 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8517. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8517