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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: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cancer » 

ω1 Cancri (omega1 Cancri)

Altitude: 58.7°   Azimuth: 137.9°   Direction: South-East

ω1 Cancri is a giant star in the constellation of Cancer.

ω1 Cancri visual magnitude is 5.83. Because of its reltive faintness, ω1 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 ω1 Cancri:


ω1 Cancri (omega1 Cancri) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 58.7°
Azimuth: 137.9°
Direction: South-East

Celestial coordinates and finder chart of ω1 Cancri

ω1 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 ω1 Cancri are provided in the following table:

08h 00m 55s
+25° 23’ 34”

The simplified sky map below shows the position of ω1 Cancri in the sky:

Finder chart ω1 Cancri (omega1 Cancri) star
Simplified finder chart for ω1 Cancri (omega1 Cancri).

Visibility of ω1 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 ω1 Cancri (omega1 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: 64.6°
Max altitude: 63.9°
Azimuth: 295.4°

Digitized Sky Survey image of ω1 Cancri

The image below is a photograph of ω1 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 ω1 Cancri is 0.014 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ω1 Cancri (omega1 Cancri) star
DSS2 image of ω1 Cancri. The red arrow shows the motion of ω1 Cancri during the next 10000 years (2.33 arcmin in Right Ascension and 1.00 arcmin in declination);

Distance of ω1 Cancri from the Sun and relative movement

ω1 Cancri is distant 1,124.14 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

344.83 pc
1,124.14 ly
2 km/s
0.014 arcsec/year
0.006 arcsec/year

Spectral properties of ω1 Cancri

ω1 Cancri belongs to spectral class G8


The red dot in the diagram below shows where ω1 Cancri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ω1 Cancri. Attribution: Richard Powell / CC BY-SA

Alternative designations of ω1 Cancri

ω1 Cancri
(omega1 Cancri)