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: 4:46  
clear_day Transit: 12:57  
SunsetSet: 21:08 south
sunny DaytimeWhat's Visible Now
All Constellations » Coma Berenices » 


Altitude: 64.5°   Azimuth: 176.2°   Direction: South

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

The table below summarizes the key facts about HR4684:


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

Altitude: 64.5°
Azimuth: 176.2°
Direction: South

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°
HR4684 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4684

The image below is a photograph of HR4684 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 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);

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 HertzsprungÔÇôRussell diagram.

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

Alternative designations of HR4684