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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: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
sunny DaytimeWhat's Visible Now?
All Constellations » Cancer » 

75 Cancri

Altitude: -4.6°   Azimuth: 325.5°   Direction: North-West

75 Cancri is a multiple sub-giant star in the constellation of Cancer.

75 Cancri visual magnitude is 5.98. Because of its reltive faintness, 75 Cancri 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 75 Cancri:


75 Cancri is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -4.6°
Azimuth: 325.5°
Direction: North-West

Celestial coordinates and finder chart of 75 Cancri

75 Cancri 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 75 Cancri are provided in the following table:

09h 08m 47s
+26° 37’ 45”

The simplified sky map below shows the position of 75 Cancri in the sky:

Finder chart 75 Cancri star
Simplified finder chart for 75 Cancri.

Visibility of 75 Cancri 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 75 Cancri 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: 63.4°
Max altitude: 65.1°
Azimuth: 296.6°

Digitized Sky Survey image of 75 Cancri

The image below is a photograph of 75 Cancri 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 75 Cancri is -0.136 arcsec per year in Right Ascension and -0.368 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 75 Cancri star
DSS2 image of 75 Cancri. The red arrow shows the motion of 75 Cancri during the next 1000 years (-2.27 arcmin in Right Ascension and -6.13 arcmin in declination);

Distance of 75 Cancri from the Sun and relative movement

75 Cancri is distant 101.94 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

31.27 pc
101.94 ly
13 km/s
-0.136 arcsec/year
-0.368 arcsec/year

Spectral properties of 75 Cancri

75 Cancri belongs to spectral class G5 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where 75 Cancri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 75 Cancri. Attribution: Richard Powell / CC BY-SA

75 Cancri star system properties

75 Cancri is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 75 Cancri double sysyem:

112 arcsec

Alternative designations of 75 Cancri