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 Tokyo | Lien |
|---|---|---|---|---|---|---|
| Deneb | 1.25 | 1550 light year | Right ascension : 20ʰ41ᵐ25.915ˢ Declination : 45°16'25.915″ | Right ascension : 20ʰ42ᵐ17.8352368669ˢ Declination : 45°22′11.918597824″ | Azimuth : 126.0978486984075° Altitude : 31.232051756934982° | View |
| Gamma Cygni | 2.23 | 1830 light year | Right ascension : 20ʰ22ᵐ13.702ˢ Declination : 40°15'13.702″ | Right ascension : 20ʰ23ᵐ8.7488363642ˢ Declination : 40°20′10.8659242163″ | Azimuth : 122.43042262484589° Altitude : 26.00939910588633° | View |
| Epsilon Cygni | 2.48 | 72.7 light year | Right ascension : 20ʰ46ᵐ12.682ˢ Declination : 33°58'12.682″ | Right ascension : 20ʰ47ᵐ14.8480487768ˢ Declination : 34°3′56.0758174645″ | Azimuth : 113.76243243045818° Altitude : 27.573612191194094° | View |
| Zeta Cygni | 3.2 | 143 light year | Right ascension : 21ʰ12ᵐ56.186ˢ Declination : 30°13'56.186″ | Right ascension : 21ʰ14ᵐ1.7250885844ˢ Declination : 30°19′54.5052311838″ | Azimuth : 107.06796341524421° Altitude : 31.030952512337873° | View |
| Delta Cygni | 2.87 | 165 light year | Right ascension : 19ʰ44ᵐ58.479ˢ Declination : 45°7'58.479″ | Right ascension : 19ʰ45ᵐ46.2606750602ˢ Declination : 45°11′23.1164743105″ | Azimuth : 130.5965927127117° Altitude : 22.145851577974693° | View |
| Iota² Cygni | 3.755 | 121.3 light year | Right ascension : 19ʰ29ᵐ42.35872ˢ Declination : 51°43'42.35872″ | Right ascension : 19ʰ30ᵐ20.659043525ˢ Declination : 51°46′45.1985353237″ | Azimuth : 138.18227502169967° Altitude : 23.095639360695635° | View |
| Eta Cygni | 3.93 | 134.9 light year | Right ascension : 19ʰ56ᵐ18.3722ˢ Declination : 35°5'18.3722″ | Right ascension : 19ʰ57ᵐ16.3031037888ˢ Declination : 35°8′54.5929952703″ | Azimuth : 120.12586496741994° Altitude : 19.045567882700627° | View |
| Beta Cygni | 3.3 | 380 light year | Right ascension : 19ʰ30ᵐ43.2805ˢ Declination : 27°57'43.2805″ | Right ascension : 19ʰ31ᵐ45.893972277ˢ Declination : 28°0′36.9090607287″ | Azimuth : 116.98358334199419° Altitude : 10.609405893223979° | View |