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: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Cepheus » 


Altitude: 70.7°   Azimuth: 64.5°   Direction: East-North-East

HR8150 is a giant star in the constellation of Cepheus.

HR8150 visual magnitude is 5.98. Because of its reltive faintness, HR8150 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 HR8150:


HR8150 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 70.7°
Azimuth: 64.5°
Direction: East-North-East

Celestial coordinates and finder chart of HR8150

HR8150 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 HR8150 are provided in the following table:

21h 17m 14s
+55° 47’ 53”

The simplified sky map below shows the position of HR8150 in the sky:

Finder chart HR8150 star
Simplified finder chart for HR8150.

Visibility of HR8150 from your location

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

HR8150 is circumpolar and transits at 04:08 UTC (altitude: 85.7°)

Digitized Sky Survey image of HR8150

The image below is a photograph of HR8150 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 HR8150 is 0.018 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8150 star
DSS2 image of HR8150. The red arrow shows the motion of HR8150 during the next 10000 years (3.00 arcmin in Right Ascension and 2.83 arcmin in declination);

Distance of HR8150 from the Sun and relative movement

HR8150 is distant 1,475.11 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

452.49 pc
1,475.11 ly
-19 km/s
0.018 arcsec/year
0.017 arcsec/year

Spectral properties of HR8150

HR8150 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8150 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8150. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8150