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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: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Aquarius » 


Altitude: -45.6°   Azimuth: 345.4°   Direction: North-North-West

HR8612 is a variable and double hypergiant star in the constellation of Aquarius.

HR8612 visual magnitude is 6.23. Because of its reltive faintness, HR8612 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 HR8612:


HR8612 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -45.6°
Azimuth: 345.4°
Direction: North-North-West

Celestial coordinates and finder chart of HR8612

HR8612 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 HR8612 are provided in the following table:

22h 38m 22s
-07° 53’ 52”

The simplified sky map below shows the position of HR8612 in the sky:

Finder chart HR8612 star
Simplified finder chart for HR8612.

Visibility of HR8612 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 HR8612 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: 97.9°
Max altitude: 30.6°
Azimuth: 262.1°

Digitized Sky Survey image of HR8612

The image below is a photograph of HR8612 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 HR8612 is 0.076 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8612 star
DSS2 image of HR8612. The red arrow shows the motion of HR8612 during the next 10000 years (12.67 arcmin in Right Ascension and -0.67 arcmin in declination);

Distance of HR8612 from the Sun and relative movement

HR8612 is distant 459.15 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

140.85 pc
459.15 ly
-17 km/s
0.076 arcsec/year
-0.004 arcsec/year

Spectral properties of HR8612

HR8612 belongs to spectral class G0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR8612 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8612. Attribution: Richard Powell / CC BY-SA

HR8612 star system properties

HR8612 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR8612 double sysyem:

0.2 arcsec

Alternative designations of HR8612