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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:44 
Transit: 13:00 
Sunset: 21:16
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All Constellations » Delphinus » 

HR7820

Above the horizon.  Rise: 21:17 | Tran: 4:02 | Set: 10:43
Alt: 41.35°   Az: 217.96°   Direction: South-West

HR7820 is a giant star of spectral class G9 in the constellation of Delphinus.

HR7820 visual magnitude is 6.25. Because of its faintness, HR7820 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR7820 star
DSS2 image of HR7820. The red arrow shows the motion of HR7820 during the next 10000 years (7.17 arcmin in Right Ascension and 2.83 arcmin in declination);

Celestial Coordinates

Apparent

20h 29m 21s
+08° 31’ 23”
01h 51m 20s
22h 20m 41s

J2000

20h 28m 07s
+08° 26’ 14”

Galactic Coordinates

52.19°
-17.07°

Finder Chart

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Finder chart for HR7820.

Magnitude, Color, Spectral Class

6.25
Giant

1.25
G9III
4559K

The red dot in the diagram below shows where HR7820 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7820. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7820 is distant 326.33 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

100.10
326.33
-11 km/s
0.043 arcsec/y
0.017"/y

Alternative Designations

SAO125841
SAO125841

Visibility from Your Location

Today's HR7820 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 81.5°
Max altitude: 47.0°
Azimuth: 278.5°