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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:09 
Transit: 12:56 
Sunset: 20:44
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All Constellations » Cygnus » 

42 Cygni

Above the horizon.  Rise: 19:22 | Tran: 5:57 | Set: 16:28
Alt: 41.58°   Az: 279.40°   Direction: West

42 Cygni is a supergiant star of spectral class A1 in the constellation of Cygnus.

42 Cygni visual magnitude is 5.88. Because of its faintness, 42 Cygni 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 42 Cygni star
DSS2 image of 42 Cygni. The red arrow shows the motion of 42 Cygni during the next 100000 years (6.67 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates

Apparent

20h 30m 18s
+36° 32’ 26”
04h 26m 49s
00h 57m 07s

J2000

20h 29m 20s
+36° 27’ 16”

Galactic Coordinates

75.85°
-1.47°

Finder Chart

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Finder chart for 42 Cygni.

Magnitude, Color, Spectral Class

5.88
Supergiant

-2.69
A1I
6300K

The red dot in the diagram below shows where 42 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 42 Cygni. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

42 Cygni is distant 1,689.12 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

518.13
1,689.12
-18 km/s
0.004 arcsec/y
-0.001"/y

Alternative Designations

SAO70096
SAO70096

Visibility from Your Location

Today's 42 Cygni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.5°
Max altitude: 75.1°
Azimuth: 306.5°