We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cepheus » 


Altitude: 62.9°   Azimuth: 354.9°   Direction: North

HR8550 is a star in the constellation of Cepheus.

HR8550 visual magnitude is 6.76. Because of its reltive faintness, HR8550 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 HR8550:


HR8550 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 62.9°
Azimuth: 354.9°
Direction: North

Celestial coordinates and finder chart of HR8550

HR8550 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8550 are provided in the following table:

22h 23m 41s
+78° 14’ 35”

The simplified sky map below shows the position of HR8550 in the sky:

Finder chart HR8550 star
Simplified finder chart for HR8550.

Visibility of HR8550 from your location

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

HR8550 is circumpolar and transits at 17:26 UTC (altitude: 63.2°)

Digitized Sky Survey image of HR8550

The image below is a photograph of HR8550 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 HR8550 is -0.008 arcsec per year in Right Ascension and 0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8550 star
DSS2 image of HR8550. The red arrow shows the motion of HR8550 during the next 10000 years (-1.33 arcmin in Right Ascension and 3.00 arcmin in declination);

Distance of HR8550 from the Sun and relative movement

HR8550 is distant 1,283.46 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

393.70 pc
1,283.46 ly
-18 km/s
-0.008 arcsec/year
0.018 arcsec/year

Spectral properties of HR8550

HR8550 belongs to spectral class B9


The red dot in the diagram below shows where HR8550 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8550. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8550