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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:19 
Transit: 12:14 
Sunset: 17:09
wb_twilight   (Astronomical Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Cygnus » 

HR7759

Above the horizon.  Circumpolar today
Alt: 17.23°   Az: 314.51°   Direction: North-West

HR7759 is a variable and multiple bright giant star of spectral class K3 in the constellation of Cygnus.

HR7759 visual magnitude is 5.24. Because of its faintness, HR7759 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 HR7759 star
DSS2 image of HR7759. The red arrow shows the motion of HR7759 during the next 100000 years (6.67 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

20h 17m 48s
+40° 26’ 37”
07h 45m 55s
04h 03m 44s

J2000

20h 16m 55s
+40° 21’ 54”

Galactic Coordinates

77.67°
2.76°

Finder Chart

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  Loading map...
Finder chart for HR7759.

Magnitude, Color, Spectral Class

5.24
Bright giant

-2.19
K3II
3581K

The red dot in the diagram below shows where HR7759 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7759. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7759 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR7759 double sysyem:

5.24
10.74
5.5
12.8 arcsec

Distance, Radial Speed, Proper Motion

HR7759 is distant 1,000.00 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

306.75
1,000.00
-20 km/s
0.004 arcsec/y
-0.003"/y

Alternative Designations

SAO49410
SAO49410

Visibility from Your Location

HR7759 is circumpolar and transits at 10:46 UTC (altitude: 79.0°)