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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Circumpolar today
Altitude: 64.8°   Azimuth: 333.0°   Direction: North-North-West

HR8557 is a giant star of spectral class K2 in the constellation of Cepheus.

HR8557 visual magnitude is 5.47. Because of its faintness, HR8557 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR8557

Finder chart HR8557 star
Simplified finder chart for HR8557.

HR8557 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 HR8557 are provided in the following table:

22h 26m 00s
+70° 46’ 14”
Image of HR8557 star
DSS2 image of HR8557. The red arrow shows the motion of HR8557 during the next 10000 years (3.00 arcmin in Right Ascension and 1.00 arcmin in declination);

Key facts about HR8557



The red dot in the diagram below shows where HR8557 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8557. Attribution: Richard Powell / CC BY-SA

Distance of HR8557 from the Sun and relative movement

HR8557 is distant 519.94 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

159.49 pc
519.94 ly
-17 km/s
0.018 arcsec/year
0.006 arcsec/year

Alternative designations of HR8557


Visibility of HR8557 from your location

HR8557 is circumpolar and transits at 04:22 UTC (altitude: 70.7°)