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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:24 
Transit: 12:55 
Sunset: 20:27
sunny   (Daytime)   What's Visible Now?

HR7816

Altitude: -3.9°   Azimuth: 304.4°   Direction: North-West

HR7816 is a hypergiant star in the constellation of Delphinus.

HR7816 visual magnitude is 6.22. Because of its reltive faintness, HR7816 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 HR7816 is 0.008 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7816 star
DSS2 image of HR7816. The red arrow shows the motion of HR7816 during the next 100000 years (13.33 arcmin in Right Ascension and -10.00 arcmin in declination);

Key facts about HR7816

6.22
Hypergiant

HR7816 is below the horizon from Greenwich, United Kingdom.

Altitude: -3.9°
Azimuth: 304.4°
Direction: North-West

Celestial coordinates and finder chart of HR7816

HR7816 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 HR7816 are provided in the following table:

20h 26m 23s
+17° 18’ 56”
59.66°
-11.91°
Delphinus

The simplified sky map below shows the position of HR7816 in the sky:

Finder chart HR7816 star
Simplified finder chart for HR7816.

Visibility of HR7816 from your location

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

Today's HR7816 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 72.7°
Max altitude: 55.8°
Azimuth: 287.3°

Distance of HR7816 from the Sun and relative movement

HR7816 is distant 812.97 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

249.38 pc
812.97 ly
-17 km/s
0.008 arcsec/year
-0.006 arcsec/year

Spectral properties of HR7816

HR7816 belongs to spectral class K0

-0.76
K0
4719K

The red dot in the diagram below shows where HR7816 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7816. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7816

SAO106101
SAO106101