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: 6:44  
clear_day Transit: 12:51  
SunsetSet: 18:57 south
sleep NighttimeWhat's Visible Now
All Constellations » Auriga » 


Altitude: 19.9°   Azimuth: 39.7°   Direction: North-East

HR2556 is a hypergiant star in the constellation of Auriga.

HR2556 visual magnitude is 6.34. Because of its reltive faintness, HR2556 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 HR2556:


HR2556 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 19.9°
Azimuth: 39.7°
Direction: North-East

Celestial coordinates and finder chart of HR2556

HR2556 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 HR2556 are provided in the following table:

06h 55m 15s
+45° 49’ 35”

The simplified sky map below shows the position of HR2556 in the sky:

Finder chart HR2556 star
Simplified finder chart for HR2556.

Visibility of HR2556 from your location

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

HR2556 is circumpolar and transits at 06:51 UTC (altitude: 84.3°)

Digitized Sky Survey image of HR2556

The image below is a photograph of HR2556 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 HR2556 is -0.037 arcsec per year in Right Ascension and -0.067 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2556 star
DSS2 image of HR2556. The red arrow shows the motion of HR2556 during the next 10000 years (-6.17 arcmin in Right Ascension and -11.17 arcmin in declination);

Distance of HR2556 from the Sun and relative movement

HR2556 is distant 382.63 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

117.37 pc
382.63 ly
31 km/s
-0.037 arcsec/year
-0.067 arcsec/year

Spectral properties of HR2556

HR2556 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR2556 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2556. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2556