Cygnus constellation
* application of precession, nutation, proper motion and aberration of light.
| Star | Magnitude | Distance | Equatorial position J2000 | Current Equatorial Position* | Current Horizontal Position at Le Havre | Lien |
|---|---|---|---|---|---|---|
| Deneb | 1.25 | 1550 light year | Right ascension : 20ʰ41ᵐ25.915ˢ Declination : 45°16'25.915″ | Right ascension : 20ʰ42ᵐ17.8366676472ˢ Declination : 45°22′11.9016427157″ | Azimuth : -92.52233315587348° Altitude : 67.12726446273204° | View |
| Gamma Cygni | 2.23 | 1830 light year | Right ascension : 20ʰ22ᵐ13.702ˢ Declination : 40°15'13.702″ | Right ascension : 20ʰ23ᵐ8.750301749ˢ Declination : 40°20′10.8510665969″ | Azimuth : -76.56704496373526° Altitude : 67.84264804983522° | View |
| Epsilon Cygni | 2.48 | 72.7 light year | Right ascension : 20ʰ46ᵐ12.682ˢ Declination : 33°58'12.682″ | Right ascension : 20ʰ47ᵐ14.8492220663ˢ Declination : 34°3′56.0616453359″ | Azimuth : -72.01764898197496° Altitude : 60.20086625492244° | View |
| Zeta Cygni | 3.2 | 143 light year | Right ascension : 21ʰ12ᵐ56.186ˢ Declination : 30°13'56.186″ | Right ascension : 21ʰ14ᵐ1.7260051776ˢ Declination : 30°19′54.4912468863″ | Azimuth : -74.03465025680536° Altitude : 53.50759096463009° | View |
| Delta Cygni | 2.87 | 165 light year | Right ascension : 19ʰ44ᵐ58.479ˢ Declination : 45°7'58.479″ | Right ascension : 19ʰ45ᵐ46.2625479877ˢ Declination : 45°11′23.1027157119″ | Azimuth : -79.23771228697447° Altitude : 76.19851899819714° | View |
| Iota² Cygni | 3.755 | 121.3 light year | Right ascension : 19ʰ29ᵐ42.35872ˢ Declination : 51°43'42.35872″ | Right ascension : 19ʰ30ᵐ20.6613002815ˢ Declination : 51°46′45.184809184″ | Azimuth : -108.9905955918872° Altitude : 79.88719755539381° | View |
| Eta Cygni | 3.93 | 134.9 light year | Right ascension : 19ʰ56ᵐ18.3722ˢ Declination : 35°5'18.3722″ | Right ascension : 19ʰ57ᵐ16.3046401264ˢ Declination : 35°8′54.5806039089″ | Azimuth : -57.02669842285806° Altitude : 68.29595334409727° | View |
| Beta Cygni | 3.3 | 380 light year | Right ascension : 19ʰ30ᵐ43.2805ˢ Declination : 27°57'43.2805″ | Right ascension : 19ʰ31ᵐ45.8955325194ˢ Declination : 28°0′36.8994739642″ | Azimuth : -35.42501716276166° Altitude : 65.30247567738901° | View |