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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Aquarius » 


Altitude: 27.7°   Azimuth: 147.7°   Direction: South-South-East

HR8879 is a variable hypergiant star in the constellation of Aquarius.

HR8879 visual magnitude is 6.17. Because of its reltive faintness, HR8879 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 HR8879:


HR8879 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 27.7°
Azimuth: 147.7°
Direction: South-South-East

Celestial coordinates and finder chart of HR8879

HR8879 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 HR8879 are provided in the following table:

23h 20m 40s
-05° 54’ 29”

The simplified sky map below shows the position of HR8879 in the sky:

Finder chart HR8879 star
Simplified finder chart for HR8879.

Visibility of HR8879 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 HR8879 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: 95.9°
Max altitude: 32.6°
Azimuth: 264.1°

Digitized Sky Survey image of HR8879

The image below is a photograph of HR8879 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 HR8879 is -0.101 arcsec per year in Right Ascension and -0.057 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR8879 star
DSS2 image of HR8879. The red arrow shows the motion of HR8879 during the next 1000 years (-1.68 arcmin in Right Ascension and -0.95 arcmin in declination);

Distance of HR8879 from the Sun and relative movement

HR8879 is distant 400.49 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

122.85 pc
400.49 ly
-2 km/s
-0.101 arcsec/year
-0.057 arcsec/year

Spectral properties of HR8879

HR8879 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR8879 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8879. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8879