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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Andromeda » 


Altitude: 46.0°   Azimuth: 92.5°   Direction: East

HR79 is a giant star in the constellation of Andromeda.

HR79 visual magnitude is 5.79. Because of its reltive faintness, HR79 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 HR79:


HR79 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 46.0°
Azimuth: 92.5°
Direction: East

Celestial coordinates and finder chart of HR79

HR79 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 HR79 are provided in the following table:

00h 20m 45s
+32° 54’ 41”

The simplified sky map below shows the position of HR79 in the sky:

Finder chart HR79 star
Simplified finder chart for HR79.

Visibility of HR79 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 HR79 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: 57.1°
Max altitude: 71.4°
Azimuth: 302.9°

Digitized Sky Survey image of HR79

The image below is a photograph of HR79 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 HR79 is -0.026 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR79 star
DSS2 image of HR79. The red arrow shows the motion of HR79 during the next 10000 years (-4.33 arcmin in Right Ascension and -2.33 arcmin in declination);

Distance of HR79 from the Sun and relative movement

HR79 is distant 645.54 light years from the Sun and it is moving towards the Sun at the speed of 36 kilometers per second.

198.02 pc
645.54 ly
-36 km/s
-0.026 arcsec/year
-0.014 arcsec/year

Spectral properties of HR79

HR79 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR79 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR79. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR79