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 Marseille | Lien |
|---|---|---|---|---|---|---|
| Deneb | 1.25 | 1550 light year | Right ascension : 20ʰ41ᵐ25.915ˢ Declination : 45°16'25.915″ | Right ascension : 20ʰ42ᵐ17.8322630643ˢ Declination : 45°22′11.9546388709″ | Azimuth : -136.1349496734749° Altitude : 18.08090215436295° | View |
| Gamma Cygni | 2.23 | 1830 light year | Right ascension : 20ʰ22ᵐ13.702ˢ Declination : 40°15'13.702″ | Right ascension : 20ʰ23ᵐ8.7457848304ˢ Declination : 40°20′10.8975777634″ | Azimuth : -129.76999173543356° Altitude : 17.169001855919507° | View |
| Epsilon Cygni | 2.48 | 72.7 light year | Right ascension : 20ʰ46ᵐ12.682ˢ Declination : 33°58'12.682″ | Right ascension : 20ʰ47ᵐ14.8456105186ˢ Declination : 34°3′56.1060023773″ | Azimuth : -128.67137520999736° Altitude : 9.349503158088314° | View |
| Zeta Cygni | 3.2 | 143 light year | Right ascension : 21ʰ12ᵐ56.186ˢ Declination : 30°13'56.186″ | Right ascension : 21ʰ14ᵐ1.7231900267ˢ Declination : 30°19′54.5349871562″ | Azimuth : -130.4394579792815° Altitude : 2.7983683947810714° | View |
| Delta Cygni | 2.87 | 165 light year | Right ascension : 19ʰ44ᵐ58.479ˢ Declination : 45°7'58.479″ | Right ascension : 19ʰ45ᵐ46.2567644979ˢ Declination : 45°11′23.1458529736″ | Azimuth : -129.0593257388178° Altitude : 25.537248746367247° | View |
| Iota² Cygni | 3.755 | 121.3 light year | Right ascension : 19ʰ29ᵐ42.35872ˢ Declination : 51°43'42.35872″ | Right ascension : 19ʰ30ᵐ20.6543266689ˢ Declination : 51°46′45.2278583645″ | Azimuth : -133.62346872959026° Altitude : 31.354681339388417° | View |
| Eta Cygni | 3.93 | 134.9 light year | Right ascension : 19ʰ56ᵐ18.3722ˢ Declination : 35°5'18.3722″ | Right ascension : 19ʰ57ᵐ16.2998983792ˢ Declination : 35°8′54.6194875482″ | Azimuth : -122.1499166075991° Altitude : 17.51184311094478° | View |
| Beta Cygni | 3.3 | 380 light year | Right ascension : 19ʰ30ᵐ43.2805ˢ Declination : 27°57'43.2805″ | Right ascension : 19ʰ31ᵐ45.8907124726ˢ Declination : 28°0′36.9296718051″ | Azimuth : -112.77958034673618° Altitude : 16.96424132185076° | View |