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: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Perseus » 


Altitude: 84.6°   Azimuth: 77.3°   Direction: East-North-East

HR890 is a double main-sequence star in the constellation of Perseus.

HR890 visual magnitude is 5.28. Because of its reltive faintness, HR890 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 HR890:


HR890 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 84.6°
Azimuth: 77.3°
Direction: East-North-East

Celestial coordinates and finder chart of HR890

HR890 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 HR890 are provided in the following table:

03h 00m 52s
+52° 21’ 06”

The simplified sky map below shows the position of HR890 in the sky:

Finder chart HR890 star
Simplified finder chart for HR890.

Visibility of HR890 from your location

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

HR890 is circumpolar and transits at 21:47 UTC (altitude: 89.1°)

Digitized Sky Survey image of HR890

The image below is a photograph of HR890 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 HR890 is 0.028 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR890 star
DSS2 image of HR890. The red arrow shows the motion of HR890 during the next 10000 years (4.67 arcmin in Right Ascension and -4.33 arcmin in declination);

Distance of HR890 from the Sun and relative movement

HR890 is distant 795.12 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

243.90 pc
795.12 ly
-5 km/s
0.028 arcsec/year
-0.026 arcsec/year

Spectral properties of HR890

HR890 belongs to spectral class B7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR890 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR890. Attribution: Richard Powell / CC BY-SA

HR890 star system properties

HR890 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR890 double sysyem:

11.9 arcsec

Alternative designations of HR890