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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:02 
Transit: 12:56 
Sunset: 20:51
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All Constellations » Cygnus » 

57 Cygni

Above the horizon.  Circumpolar today
Alt: 40.92°   Az: 293.58°   Direction: West-North-West

57 Cygni is a variable main-sequence star of spectral class B5 in the constellation of Cygnus.

57 Cygni visual magnitude is 4.78. Because of its moderate brightness, 57 Cygni is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of 57 Cygni star
DSS2 image of 57 Cygni. The red arrow shows the motion of 57 Cygni during the next 10000 years (1.67 arcmin in Right Ascension and 0.17 arcmin in declination);

Celestial Coordinates

Apparent

20h 54m 08s
+44° 29’ 03”
05h 04m 22s
01h 58m 31s

J2000

20h 53m 14s
+44° 23’ 13”

Galactic Coordinates

84.9°
-0.19°

Finder Chart

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Finder chart for 57 Cygni.

Magnitude, Color, Spectral Class

4.78
Main-sequence

-1.15
B5V
12293K

The red dot in the diagram below shows where 57 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 57 Cygni. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

57 Cygni is distant 500.77 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

153.61
500.77
-20 km/s
0.01 arcsec/y
0.001"/y

Alternative Designations

SAO50180
SAO50180

Visibility from Your Location

57 Cygni is circumpolar and transits at 05:01 UTC (altitude: 83.0°)