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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: 6:08  
clear_day Transit: 12:59  
SunsetSet: 19:51
sunny DaytimeWhat's Visible Now?
All Constellations » Capricornus » 

HR7910

Altitude: 4.9°   Azimuth: 215.4°   Direction: South-West

HR7910 is a giant star in the constellation of Capricornus.

HR7910 visual magnitude is 6.28. Because of its reltive faintness, HR7910 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 HR7910 is -0.002 arcsec per year in Right Ascension and -0.029 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7910 star
DSS2 image of HR7910. The red arrow shows the motion of HR7910 during the next 10000 years (-0.33 arcmin in Right Ascension and -4.83 arcmin in declination);

Key facts about HR7910

6.28
Giant

HR7910 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 4.9°
Azimuth: 215.4°
Direction: South-West

Celestial coordinates and finder chart of HR7910

HR7910 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7910 are provided in the following table:

20h 41m 24s
-26° 00’ 00”
18.79°
-34.69°
Capricornus

The simplified sky map below shows the position of HR7910 in the sky:

Finder chart HR7910 star
Simplified finder chart for HR7910.

Visibility of HR7910 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 HR7910 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: 116.0°
Max altitude: 12.5°
Azimuth: 244.0°

Distance of HR7910 from the Sun and relative movement

HR7910 is distant 644.27 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

197.63 pc
644.27 ly
-26 km/s
-0.002 arcsec/year
-0.029 arcsec/year

Spectral properties of HR7910

HR7910 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.

-0.20
K2III
4270K

The red dot in the diagram below shows where HR7910 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7910. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7910

SAO189575
SAO189575