Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]


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 skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR7946:

HR7946 is below the horizon from Greenwich, United Kingdom [change].

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 [change]
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 [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 92.5°
Max altitude: 36.0°
Azimuth: 267.5°
HR7946 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7946

The image below is a photograph of HR7946 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 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);

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