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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: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Gemini » 

79 Geminorum

Altitude: 6.9°   Azimuth: 294.2°   Direction: West-North-West

79 Geminorum is a main-sequence star in the constellation of Gemini.

79 Geminorum visual magnitude is 6.33. Because of its reltive faintness, 79 Geminorum 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 79 Geminorum:


79 Geminorum is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.9°
Azimuth: 294.2°
Direction: West-North-West

Celestial coordinates and finder chart of 79 Geminorum

79 Geminorum 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 79 Geminorum are provided in the following table:

07h 45m 09s
+20° 18’ 59”

The simplified sky map below shows the position of 79 Geminorum in the sky:

Finder chart 79 Geminorum star
Simplified finder chart for 79 Geminorum.

Visibility of 79 Geminorum 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 79 Geminorum 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: 69.7°
Max altitude: 58.8°
Azimuth: 290.3°

Digitized Sky Survey image of 79 Geminorum

The image below is a photograph of 79 Geminorum 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 79 Geminorum is -0.014 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 79 Geminorum star
DSS2 image of 79 Geminorum. The red arrow shows the motion of 79 Geminorum during the next 10000 years (-2.33 arcmin in Right Ascension and 1.33 arcmin in declination);

Distance of 79 Geminorum from the Sun and relative movement

79 Geminorum is distant 460.45 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

141.24 pc
460.45 ly
-11 km/s
-0.014 arcsec/year
0.008 arcsec/year

Spectral properties of 79 Geminorum

79 Geminorum belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 79 Geminorum is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 79 Geminorum. Attribution: Richard Powell / CC BY-SA

Alternative designations of 79 Geminorum

79 Geminorum