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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Rise: 1:23 | Tran: 6:06 | Set: 10:48
Altitude: 5.1°   Azimuth: 238.9°   Direction: West-South-West

HR8816 is a hypergiant star of spectral class A0 in the constellation of Aquarius.

HR8816 visual magnitude is 6.42. Because of its faintness, HR8816 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR8816

Finder chart HR8816 star
Simplified finder chart for HR8816.

HR8816 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 HR8816 are provided in the following table:

23h 09m 49s
-14° 30’ 38”
Image of HR8816 star
DSS2 image of HR8816. The red arrow shows the motion of HR8816 during the next 10000 years (5.17 arcmin in Right Ascension and -1.50 arcmin in declination);

Key facts about HR8816


and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR8816 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8816. Attribution: Richard Powell / CC BY-SA

Distance of HR8816 from the Sun and relative movement

HR8816 is distant 344.97 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

105.82 pc
344.97 ly
15 km/s
0.031 arcsec/year
-0.009 arcsec/year

Alternative designations of HR8816


Visibility of HR8816 from your location

Today's HR8816 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.5°
Max altitude: 24.0°
Azimuth: 255.5°