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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: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sleep NighttimeWhat's Visible Now?
All Constellations » Cancer » 

3 Cancri

Altitude: -1.4°   Azimuth: 300.5°   Direction: West-North-West

3 Cancri is a giant star in the constellation of Cancer.

3 Cancri visual magnitude is 5.55. Because of its reltive faintness, 3 Cancri 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 3 Cancri is -0.012 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 3 Cancri star
DSS2 image of 3 Cancri. The red arrow shows the motion of 3 Cancri during the next 10000 years (-2.00 arcmin in Right Ascension and -0.33 arcmin in declination);

Key facts about 3 Cancri

5.55
Giant

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

Altitude: -1.4°
Azimuth: 300.5°
Direction: West-North-West

Celestial coordinates and finder chart of 3 Cancri

3 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 3 Cancri are provided in the following table:

08h 00m 47s
+17° 18’ 30”
204.5°
22.88°
Cancer

The simplified sky map below shows the position of 3 Cancri in the sky:

Finder chart 3 Cancri star
Simplified finder chart for 3 Cancri.

Visibility of 3 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 3 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: 72.7°
Max altitude: 55.8°
Azimuth: 287.3°

Distance of 3 Cancri from the Sun and relative movement

3 Cancri is distant 721.24 light years from the Sun and it is moving far from the Sun at the speed of 41 kilometers per second.

221.24 pc
721.24 ly
41 km/s
-0.012 arcsec/year
-0.002 arcsec/year

Spectral properties of 3 Cancri

3 Cancri belongs to spectral class K3

-1.17
K3
4086K

The red dot in the diagram below shows where 3 Cancri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 3 Cancri. Attribution: Richard Powell / CC BY-SA

Alternative designations of 3 Cancri

SAO97472
SAO97472