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, United Kingdom
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:17
sunny   (Daytime)   What's Visible Now?


Below the horizon.  Rise: 16:56 | Tran: 19:45 | Set: 22:34
Altitude: -63.1°   Azimuth: 312.6°   Direction: North-West

HR4810 is a variable giant star of spectral class K2 in the constellation of Hydra.

HR4810 visual magnitude is 5.89. Because of its faintness, HR4810 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 HR4810

Finder chart HR4810 star
Simplified finder chart for HR4810.

HR4810 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4810 are provided in the following table:

12h 39m 03s
-30° 25’ 19”
Image of HR4810 star
DSS2 image of HR4810. The red arrow shows the motion of HR4810 during the next 10000 years (-5.67 arcmin in Right Ascension and -1.00 arcmin in declination);

Key facts about HR4810


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


The red dot in the diagram below shows where HR4810 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4810. Attribution: Richard Powell / CC BY-SA

Distance of HR4810 from the Sun and relative movement

HR4810 is distant 546.98 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

167.79 pc
546.98 ly
-13 km/s
-0.034 arcsec/year
-0.006 arcsec/year

Alternative designations of HR4810


Visibility of HR4810 from your location

Today's HR4810 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 120.4°
Max altitude: 8.1°
Azimuth: 239.6°