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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sunny DaytimeWhat's Visible Now?
All Constellations » Coma Berenices » 


Altitude: 8.0°   Azimuth: 302.3°   Direction: West-North-West

HR4684 is a variable sub-giant star in the constellation of Coma Berenices.

HR4684 visual magnitude is 6.48. Because of its reltive faintness, HR4684 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 HR4684 is -0.004 arcsec per year in Right Ascension and -0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4684 star
DSS2 image of HR4684. The red arrow shows the motion of HR4684 during the next 10000 years (-0.67 arcmin in Right Ascension and -3.67 arcmin in declination);

Key facts about HR4684


HR4684 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 8.0°
Azimuth: 302.3°
Direction: West-North-West

Celestial coordinates and finder chart of HR4684

HR4684 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 HR4684 are provided in the following table:

12h 19m 02s
+26° 00’ 28”
Coma Berenices

The simplified sky map below shows the position of HR4684 in the sky:

Finder chart HR4684 star
Simplified finder chart for HR4684.

Visibility of HR4684 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 HR4684 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 HR4684 from the Sun and relative movement

HR4684 is distant 248.10 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

76.10 pc
248.10 ly
1 km/s
-0.004 arcsec/year
-0.022 arcsec/year

Spectral properties of HR4684

HR4684 belongs to spectral class A5 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR4684 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4684. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4684