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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
north SunriseRise: 7:43  
clear_day Transit: 11:47  
SunsetSet: 15:52 south
sunny DaytimeWhat's Visible Now?
All Constellations » Camelopardalis » 


Altitude: 34.5°   Azimuth: 347.6°   Direction: North-North-West

HR2581 is a double giant star in the constellation of Camelopardalis.

HR2581 visual magnitude is 5.68. Because of its reltive faintness, HR2581 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 HR2581:


HR2581 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 34.5°
Azimuth: 347.6°
Direction: North-North-West

Celestial coordinates and finder chart of HR2581

HR2581 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 HR2581 are provided in the following table:

07h 01m 21s
+70° 48’ 29”

The simplified sky map below shows the position of HR2581 in the sky:

Finder chart HR2581 star
Simplified finder chart for HR2581.

Visibility of HR2581 from your location

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

HR2581 is circumpolar and transits at 02:18 UTC (altitude: 70.7°)

Digitized Sky Survey image of HR2581

The image below is a photograph of HR2581 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 HR2581 is 0.017 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2581 star
DSS2 image of HR2581. The red arrow shows the motion of HR2581 during the next 10000 years (2.83 arcmin in Right Ascension and -3.17 arcmin in declination);

Distance of HR2581 from the Sun and relative movement

HR2581 is distant 456.58 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

140.06 pc
456.58 ly
-17 km/s
0.017 arcsec/year
-0.019 arcsec/year

Spectral properties of HR2581

HR2581 belongs to spectral class K4


The red dot in the diagram below shows where HR2581 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2581. Attribution: Richard Powell / CC BY-SA

HR2581 star system properties

HR2581 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 HR2581 double sysyem:

117 arcsec

Alternative designations of HR2581