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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
north SunriseRise: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cepheus » 


Altitude: 49.9°   Azimuth: 312.7°   Direction: North-West

HR7925 is a sub-giant star in the constellation of Cepheus.

HR7925 visual magnitude is 6.01. Because of its reltive faintness, HR7925 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 HR7925:


HR7925 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 49.9°
Azimuth: 312.7°
Direction: North-West

Celestial coordinates and finder chart of HR7925

HR7925 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 HR7925 are provided in the following table:

20h 40m 17s
+60° 30’ 19”

The simplified sky map below shows the position of HR7925 in the sky:

Finder chart HR7925 star
Simplified finder chart for HR7925.

Visibility of HR7925 from your location

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

HR7925 is circumpolar and transits at 16:07 UTC (altitude: 81.0°)

Digitized Sky Survey image of HR7925

The image below is a photograph of HR7925 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 HR7925 is 0.015 arcsec per year in Right Ascension and 0.19 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR7925 star
DSS2 image of HR7925. The red arrow shows the motion of HR7925 during the next 1000 years (0.25 arcmin in Right Ascension and 3.17 arcmin in declination);

Distance of HR7925 from the Sun and relative movement

HR7925 is distant 108.23 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

33.20 pc
108.23 ly
-13 km/s
0.015 arcsec/year
0.19 arcsec/year

Spectral properties of HR7925

HR7925 belongs to spectral class F6 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR7925 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7925. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7925