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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: 7:45  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cancer » 

24 Cancri

Altitude: 44.6°   Azimuth: 107.6°   Direction: East-South-East

24 Cancri is a variable and multiple main-sequence star in the constellation of Cancer.

24 Cancri visual magnitude is 7.81. Because of its reltive faintness, 24 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 24 Cancri:


24 Cancri is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 44.6°
Azimuth: 107.6°
Direction: East-South-East

Celestial coordinates and finder chart of 24 Cancri

24 Cancri 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 24 Cancri are provided in the following table:

08h 26m 40s
+24° 32’ 07”

The simplified sky map below shows the position of 24 Cancri in the sky:

Finder chart 24 Cancri star
Simplified finder chart for 24 Cancri.

Visibility of 24 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 24 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: 65.5°
Max altitude: 63.1°
Azimuth: 294.5°

Digitized Sky Survey image of 24 Cancri

The image below is a photograph of 24 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 24 Cancri is -0.045 arcsec per year in Right Ascension and -0.085 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 24 Cancri star
DSS2 image of 24 Cancri. The red arrow shows the motion of 24 Cancri during the next 10000 years (-7.50 arcmin in Right Ascension and -14.17 arcmin in declination);

Spectral properties of 24 Cancri

24 Cancri belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.


24 Cancri star system properties

24 Cancri is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 24 Cancri double sysyem:

5.7 arcsec

Alternative designations of 24 Cancri