We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sleep NighttimeWhat's Visible Now?
All Constellations » Coma Berenices » 


Altitude: 18.9°   Azimuth: 71.7°   Direction: East-North-East

HR4694 is a variable hypergiant star in the constellation of Coma Berenices.

HR4694 visual magnitude is 6.15. Because of its reltive faintness, HR4694 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR4694 is -0.145 arcsec per year in Right Ascension and 0.019 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4694 star
DSS2 image of HR4694. The red arrow shows the motion of HR4694 during the next 1000 years (-2.42 arcmin in Right Ascension and 0.32 arcmin in declination);

Key facts about HR4694


HR4694 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 18.9°
Azimuth: 71.7°
Direction: East-North-East

Celestial coordinates and finder chart of HR4694

HR4694 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 HR4694 are provided in the following table:

12h 20m 17s
+26° 00’ 06”
Coma Berenices

The simplified sky map below shows the position of HR4694 in the sky:

Finder chart HR4694 star
Simplified finder chart for HR4694.

Visibility of HR4694 from your location

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

Today's HR4694 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.0°
Max altitude: 64.5°
Azimuth: 296.0°

Distance of HR4694 from the Sun and relative movement

HR4694 is distant 197.58 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

60.61 pc
197.58 ly
8 km/s
-0.145 arcsec/year
0.019 arcsec/year

Spectral properties of HR4694

HR4694 belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4694 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4694. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4694