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public LocationGreenwich, UK
Sunrise: 5:08 
Transit: 13:06 
Sunset: 21:03
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Cancer » 

Asellus Australis - δ Cancri (delta Cancri)

Below the horizon.  Rise: 6:16 | Tran: 13:50 | Set: 21:25
Alt: -20.34°   Az: 355.40°   Direction: North

Asellus Australis, also designated as δ Cancri (delta Cancri), is a double hypergiant star of spectral class K0 in the constellation of Cancer.

Asellus Australis visual magnitude is 3.94. Because of its moderate brightness, Asellus Australis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of Asellus Australis - δ Cancri (delta Cancri) star
DSS2 image of Asellus Australis. The red arrow shows the motion of Asellus Australis during the next 1000 years (-0.30 arcmin in Right Ascension and -3.80 arcmin in declination);

Celestial Coordinates


08h 46m 04s
+18° 03’ 49”
11h 41m 52s
20h 27m 56s


08h 44m 41s
+18° 09’ 15”

Galactic Coordinates


Finder Chart

Finder chart Asellus Australis - δ Cancri (delta Cancri) star
Simplified finder chart for Asellus Australis - δ Cancri (delta Cancri).

Magnitude, Color, Spectral Class



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

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

Star System Properties

Asellus Australis is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Asellus Australis double sysyem:

38.4 arcsec

Distance, Radial Speed, Proper Motion

Asellus Australis is distant 136.00 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

17 km/s
-0.018 arcsec/y

Alternative Designations

Asellus Australis
δ Cancri
(delta Cancri)

Visibility from Your Location

Today's Asellus Australis - δ Cancri (delta Cancri) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.9°
Max altitude: 56.6°
Azimuth: 288.1°