HR7800

Above the horizon. Circumpolar today

Alt: 21.24° Az: 310.12° Direction: North-West

HR7800 is a giant star of spectral class K7 in the constellation of Cygnus.

HR7800 visual magnitude is 5.93. Because of its faintness, HR7800 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.

DSS2 image of HR7800. The red arrow shows the motion of HR7800 during the next 10000 years (0.17 arcmin in Right Ascension and -7.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 23m 39s

Declination +41° 06’ 33”

Hour Angle 07h 15m 39s

Sidereal Time 03h 39m 18s

J2000

Right Ascension 20h 22m 45s

Declination +41° 01’ 33”

Galactic Coordinates

Galactic Longitude 78.84°

Galactic Latitude 2.22°

Finder Chart

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Finder chart for HR7800.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.93

Class Giant

Absolute magnitude -1.17

Spectral Type K7III

Color Index (B-V) 1.6

Temperature 3649K

The red dot in the diagram below shows where HR7800 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7800. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7800 is distant 855.64 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

Distance (parsec) 262.47

Distance (light year) 855.64

Radial Speed 1 km/s

Proper Motion RA 0.001 arcsec/y

Proper Motion Dec -0.047"/y

Alternative Designations

Henry Draper Catalogue HD194193

SAO Catalogue SAO49546

Hipparcos Catalogue HIP100501

Durchmusterung Catalogue BD+40 4141

Visibility from Your Location

HR7800 is circumpolar and transits at 00:43 UTC (altitude: 79.6°)

In Evidence

Other stars in Cygnus

HR7800

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Cygnus

HR7800

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location