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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: 6:50  
clear_day Transit: 12:11  
SunsetSet: 17:32
sleep NighttimeWhat's Visible Now?
All Constellations » Cetus » 


Altitude: -13.9°   Azimuth: 305.8°   Direction: North-West

HR725 is a double giant star in the constellation of Cetus.

HR725 visual magnitude is 6.07. Because of its reltive faintness, HR725 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 HR725 is -0.012 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR725 star
DSS2 image of HR725. The red arrow shows the motion of HR725 during the next 10000 years (-2.00 arcmin in Right Ascension and 2.00 arcmin in declination);

Key facts about HR725


HR725 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -13.9°
Azimuth: 305.8°
Direction: North-West

Celestial coordinates and finder chart of HR725

HR725 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR725 are provided in the following table:

02h 29m 35s
+09° 33’ 56”

The simplified sky map below shows the position of HR725 in the sky:

Finder chart HR725 star
Simplified finder chart for HR725.

Visibility of HR725 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 HR725 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: 80.4°
Max altitude: 48.1°
Azimuth: 279.6°

Distance of HR725 from the Sun and relative movement

HR725 is distant 285.96 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

87.72 pc
285.96 ly
-11 km/s
-0.012 arcsec/year
0.012 arcsec/year

Spectral properties of HR725

HR725 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR725 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR725. Attribution: Richard Powell / CC BY-SA

HR725 star system properties

HR725 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR725 double sysyem:

1.6 arcsec

Alternative designations of HR725