We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
Help keep this site free and ads-free: donate now!
public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Circumpolar today
Altitude: 28.7°   Azimuth: 350.7°   Direction: North

HR177 is a giant star of spectral class G9 in the constellation of Cassiopeia.

HR177 visual magnitude is 5.83. Because of its faintness, HR177 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 HR177

Finder chart HR177 star
Simplified finder chart for HR177.

HR177 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 HR177 are provided in the following table:

00h 42m 03s
+66° 08’ 50”
Image of HR177 star
DSS2 image of HR177. The red arrow shows the motion of HR177 during the next 10000 years (-2.17 arcmin in Right Ascension and -1.50 arcmin in declination);

Key facts about HR177


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR177 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR177. Attribution: Richard Powell / CC BY-SA

Distance of HR177 from the Sun and relative movement

HR177 is distant 503.09 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

154.32 pc
503.09 ly
-3 km/s
-0.013 arcsec/year
-0.009 arcsec/year

Alternative designations of HR177


Visibility of HR177 from your location

HR177 is circumpolar and transits at 06:42 UTC (altitude: 75.3°)