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🌎  Greenwich, United Kingdom [change]


HR7658 is a main-sequence star in the constellation of Sagittarius.

HR7658 visual magnitude is 6.45. Because of its reltive faintness, HR7658 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 HR7658:

HR7658 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 15°.

Celestial coordinates and finder chart of HR7658

HR7658 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 HR7658 are provided in the following table:

20h 03m 44s
-22° 35’ 44”

The simplified sky map below shows the position of HR7658 in the sky:

Finder chart HR7658 star
Simplified finder chart for HR7658.

Visibility of HR7658 from your location

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

Today's HR7658 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 112.6°
Max altitude: 15.9°
Azimuth: 247.4°
HR7658 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7658

The image below is a photograph of HR7658 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 HR7658 is -0.042 arcsec per year in Right Ascension and 0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7658 star
DSS2 image of HR7658. The red arrow shows the motion of HR7658 during the next 10000 years (-7.00 arcmin in Right Ascension and 3.33 arcmin in declination);

Distance of HR7658 from the Sun and relative movement

HR7658 is distant 187.57 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

57.54 pc
187.57 ly
7 km/s
-0.042 arcsec/year
0.02 arcsec/year

Spectral properties of HR7658

HR7658 belongs to spectral class F6 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR7658 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7658. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7658