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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
SunriseRise: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
sunny DaytimeWhat's Visible Now?
All Constellations » Aquarius » 


Altitude: 35.6°   Azimuth: 189.5°   Direction: South

HR7946 is a star in the constellation of Aquarius.

HR7946 visual magnitude is 6.27. Because of its reltive faintness, HR7946 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR7946 is -0.016 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7946 star
DSS2 image of HR7946. The red arrow shows the motion of HR7946 during the next 10000 years (-2.67 arcmin in Right Ascension and -2.67 arcmin in declination);

Key facts about HR7946


HR7946 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 35.6°
Azimuth: 189.5°
Direction: South

Celestial coordinates and finder chart of HR7946

HR7946 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 HR7946 are provided in the following table:

20h 47m 03s
-02° 29’ 12”

The simplified sky map below shows the position of HR7946 in the sky:

Finder chart HR7946 star
Simplified finder chart for HR7946.

Visibility of HR7946 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 HR7946 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: 92.5°
Max altitude: 36.0°
Azimuth: 267.5°

Distance of HR7946 from the Sun and relative movement

HR7946 is distant 787.44 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

241.55 pc
787.44 ly
28 km/s
-0.016 arcsec/year
-0.016 arcsec/year

Spectral properties of HR7946

HR7946 belongs to spectral class K2


The red dot in the diagram below shows where HR7946 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7946. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7946