Your Guide to the Solar System and the Night Sky
This site is free and ad-free thanks to the support of our users. If you can, please consider a donation.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:49  
clear_day Transit: 12:50  
SunsetSet: 18:50 south
sleep NighttimeWhat's Visible Now
All Constellations » Auriga » 


Altitude: 13.2°   Azimuth: 35.0°   Direction: North-East

HR1979 is a hypergiant star in the constellation of Auriga.

HR1979 visual magnitude is 6.29. Because of its reltive faintness, HR1979 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 HR1979:


HR1979 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 13.2°
Azimuth: 35.0°
Direction: North-East

Celestial coordinates and finder chart of HR1979

HR1979 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 HR1979 are provided in the following table:

05h 47m 14s
+42° 31’ 36”

The simplified sky map below shows the position of HR1979 in the sky:

Finder chart HR1979 star
Simplified finder chart for HR1979.

Visibility of HR1979 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR1979 is circumpolar and transits at 05:32 UTC (altitude: 81.0°)

Digitized Sky Survey image of HR1979

The image below is a photograph of HR1979 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 HR1979 is 0.009 arcsec per year in Right Ascension and -0.088 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1979 star
DSS2 image of HR1979. The red arrow shows the motion of HR1979 during the next 10000 years (1.50 arcmin in Right Ascension and -14.67 arcmin in declination);

Distance of HR1979 from the Sun and relative movement

HR1979 is distant 719.65 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

220.75 pc
719.65 ly
-16 km/s
0.009 arcsec/year
-0.088 arcsec/year

Spectral properties of HR1979

HR1979 belongs to spectral class K0


The red dot in the diagram below shows where HR1979 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1979. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1979