We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support helps us pay the server bills » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sleep NighttimeWhat's Visible Now?
All Constellations » Cygnus » 

2 Cygni

Altitude: -2.8°   Azimuth: 31.1°   Direction: North-North-East

2 Cygni is a sub-giant star in the constellation of Cygnus.

2 Cygni visual magnitude is 4.97. Because of its moderate brightness, 2 Cygni should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of 2 Cygni is 0.013 arcsec per year in Right Ascension and 0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 2 Cygni star
DSS2 image of 2 Cygni. The red arrow shows the motion of 2 Cygni during the next 10000 years (2.17 arcmin in Right Ascension and 2.17 arcmin in declination);

Key facts about 2 Cygni

4.97
Sub-giant

2 Cygni is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -2.8°
Azimuth: 31.1°
Direction: North-North-East

Celestial coordinates and finder chart of 2 Cygni

2 Cygni is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 2 Cygni are provided in the following table:

19h 24m 07s
+29° 37’ 17”
62.9°
6.63°
Cygnus

The simplified sky map below shows the position of 2 Cygni in the sky:

Finder chart 2 Cygni star
Simplified finder chart for 2 Cygni.

Visibility of 2 Cygni from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 2 Cygni rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.4°
Max altitude: 68.1°
Azimuth: 299.6°

Distance of 2 Cygni from the Sun and relative movement

2 Cygni is distant 774.35 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

237.53 pc
774.35 ly
-21 km/s
0.013 arcsec/year
0.013 arcsec/year

Spectral properties of 2 Cygni

2 Cygni belongs to spectral class B3 and has a luminosity class of IV corresponding to a sub-giant star.

-1.91
B3IV
11573K

The red dot in the diagram below shows where 2 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 2 Cygni. Attribution: Richard Powell / CC BY-SA

Alternative designations of 2 Cygni

SAO87159
SAO87159