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: 4:47  
clear_day Transit: 12:56  
SunsetSet: 21:06 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Coma Berenices » 


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 skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR4694:

HR4694 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 13°.

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°
HR4694 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4694

The image below is a photograph of HR4694 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 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);

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