Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:09 south
sunny DaytimeWhat's Visible Now
All Constellations » Grus » 


Altitude: -3.8°   Azimuth: 192.7°   Direction: South-South-West

HR8847 is a hypergiant star in the constellation of Grus.

HR8847 visual magnitude is 6.47. Because of its reltive faintness, HR8847 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 HR8847:


HR8847 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -3.8°
Azimuth: 192.7°
Direction: South-South-West

Celestial coordinates and finder chart of HR8847

HR8847 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8847 are provided in the following table:

23h 16m 49s
-41° 11’ 39”

The simplified sky map below shows the position of HR8847 in the sky:

Finder chart HR8847 star
Simplified finder chart for HR8847.

Visibility of HR8847 from your location

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

HR8847 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR8847

The image below is a photograph of HR8847 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 HR8847 is -0.024 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8847 star
DSS2 image of HR8847. The red arrow shows the motion of HR8847 during the next 10000 years (-4.00 arcmin in Right Ascension and 2.00 arcmin in declination);

Distance of HR8847 from the Sun and relative movement

HR8847 is distant 488.76 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

149.93 pc
488.76 ly
13 km/s
-0.024 arcsec/year
0.012 arcsec/year

Spectral properties of HR8847

HR8847 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 HR8847 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8847. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8847