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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Rise: 7:28 | Tran: 14:53 | Set: 22:18
Altitude: 35.9°   Azimuth: 110.3°   Direction: East-South-East

HR3104 is a hypergiant star of spectral class K0 in the constellation of Cancer.

HR3104 visual magnitude is 5.99. Because of its faintness, HR3104 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR3104

Finder chart HR3104 star
Simplified finder chart for HR3104.

HR3104 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 HR3104 are provided in the following table:

07h 58m 31s
+16° 31’ 06”
Image of HR3104 star
DSS2 image of HR3104. The red arrow shows the motion of HR3104 during the next 100000 years (-10.00 arcmin in Right Ascension and -1.67 arcmin in declination);

Key facts about HR3104



The red dot in the diagram below shows where HR3104 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3104. Attribution: Richard Powell / CC BY-SA

Distance of HR3104 from the Sun and relative movement

HR3104 is distant 1,399.14 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

429.18 pc
1,399.14 ly
-1 km/s
-0.006 arcsec/year
-0.001 arcsec/year

Alternative designations of HR3104


Visibility of HR3104 from your location

Today's HR3104 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 73.5°
Max altitude: 55.0°
Azimuth: 286.5°