Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

HR8808

HR8808 is a double main-sequence star in the constellation of Cepheus.

HR8808 visual magnitude is 6.26. Because of its reltive faintness, HR8808 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 HR8808:

6.26
Main-sequence
HR8808 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 59°.

Celestial coordinates and finder chart of HR8808

HR8808 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 HR8808 are provided in the following table:

23h 07m 47s
+63° 37’ 59”
111.73°
3.04°
Cepheus

The simplified sky map below shows the position of HR8808 in the sky:

Finder chart HR8808 star
Simplified finder chart for HR8808.

Visibility of HR8808 from your location

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

HR8808 is circumpolar and transits at 01:36 UTC (altitude: 77.8°)

Digitized Sky Survey image of HR8808

The image below is a photograph of HR8808 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 HR8808 is 0.002 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR8808 star
DSS2 image of HR8808. The red arrow shows the motion of HR8808 during the next 100000 years (3.33 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of HR8808 from the Sun and relative movement

HR8808 is distant 1,220.97 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

374.53 pc
1,220.97 ly
-19 km/s
0.002 arcsec/year
-0.004 arcsec/year

Spectral properties of HR8808

HR8808 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.

-1.61
B3V
10382K

The red dot in the diagram below shows where HR8808 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8808. Attribution: Richard Powell / CC BY-SA

HR8808 star system properties

HR8808 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR8808 double sysyem:

6.26
6.76
0.5
0.2 arcsec

Alternative designations of HR8808

SAO20439
SAO20439