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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: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sleep NighttimeWhat's Visible Now?
All Constellations » Draco » 


Altitude: 62.1°   Azimuth: 19.2°   Direction: North-North-East

HR4687 is a main-sequence star in the constellation of Draco.

HR4687 visual magnitude is 5.38. Because of its reltive faintness, HR4687 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 HR4687 is -0.04 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4687 star
DSS2 image of HR4687. The red arrow shows the motion of HR4687 during the next 10000 years (-6.67 arcmin in Right Ascension and 0.33 arcmin in declination);

Key facts about HR4687


HR4687 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 62.1°
Azimuth: 19.2°
Direction: North-North-East

Celestial coordinates and finder chart of HR4687

HR4687 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4687 are provided in the following table:

12h 18m 49s
+75° 09’ 38”

The simplified sky map below shows the position of HR4687 in the sky:

Finder chart HR4687 star
Simplified finder chart for HR4687.

Visibility of HR4687 from your location

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

HR4687 is circumpolar and transits at 01:41 UTC (altitude: 66.3°)

Distance of HR4687 from the Sun and relative movement

HR4687 is distant 288.75 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

88.57 pc
288.75 ly
-3 km/s
-0.04 arcsec/year
0.002 arcsec/year

Spectral properties of HR4687

HR4687 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4687 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4687. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4687