HR7800

Below the horizon. Rise: 17:28 | Tran: 1:22 | Set: 9:20

Alt: -12.76° Az: 26.02° Direction: North-North-East

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’ 32”

Hour Angle 14h 18m 25s

Sidereal Time 10h 42m 05s

J2000

Right Ascension 20h 22m 45s

Declination +41° 01’ 33”

Galactic Coordinates

Galactic Longitude 78.84°

Galactic Latitude 2.22°

Finder Chart

Loading map...

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

Today's HR7800 rise, transit and set times from Nanyi, China are the following (all times relative to the local timezone Asia/Urumqi):

Azimuth: 48.9° RISE 17:28

Max altitude: 78.1° TRANSIT 1:22

Azimuth: 311.1° SET 9:20

Name:	Nanyi, China
Latitude:	29° 10' 58.1" N
Longitude:	94° 11' 22.6" E
Timezone:	Asia/Urumqi

Set Location

Other stars in Cygnus