Observation of constellations in real-time from Lyon

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LUNDI 2 MARS 2026 À 07:01:51 UTC+1

Scene Notes

Cygnus constellation

* application of precession, nutation, proper motion and aberration of light.

StarMagnitudeDistanceEquatorial position J2000Current Equatorial Position*Current Horizontal Position at LyonLien
Deneb1.251550 light yearRight ascension :
20ʰ41ᵐ25.915ˢ
Declination : 45°16'25.915″		Right ascension :
20ʰ42ᵐ17.8352402438ˢ
Declination :
45°22′11.9185575128″		Azimuth :
-109.95535838496987°
Altitude :
52.13450638850092° 		View
Gamma Cygni2.231830 light yearRight ascension :
20ʰ22ᵐ13.702ˢ
Declination : 40°15'13.702″		Right ascension :
20ʰ23ᵐ8.7488398249ˢ
Declination :
40°20′10.8658888664″		Azimuth :
-100.01987794331795°
Altitude :
53.371339689748936° 		View
Epsilon Cygni2.4872.7 light yearRight ascension :
20ʰ46ᵐ12.682ˢ
Declination : 33°58'12.682″		Right ascension :
20ʰ47ᵐ14.8480515457ˢ
Declination :
34°3′56.0757837482″		Azimuth :
-95.20743673208202°
Altitude :
46.11292061050992° 		View
Zeta Cygni3.2143 light yearRight ascension :
21ʰ12ᵐ56.186ˢ
Declination : 30°13'56.186″		Right ascension :
21ʰ14ᵐ1.7250907452ˢ
Declination :
30°19′54.5051979245″		Azimuth :
-95.42324121012615°
Altitude :
39.33206887875233° 		View
Delta Cygni2.87165 light yearRight ascension :
19ʰ44ᵐ58.479ˢ
Declination : 45°7'58.479″		Right ascension :
19ʰ45ᵐ46.2606794872ˢ
Declination :
45°11′23.1164415519″		Azimuth :
-103.89043621131182°
Altitude :
61.50689730273166° 		View
Iota² Cygni3.755121.3 light yearRight ascension :
19ʰ29ᵐ42.35872ˢ
Declination : 51°43'42.35872″		Right ascension :
19ʰ30ᵐ20.6590488611ˢ
Declination :
51°46′45.1985026375″		Azimuth :
-117.56057173503912°
Altitude :
65.02872418940689° 		View
Eta Cygni3.93134.9 light yearRight ascension :
19ʰ56ᵐ18.3722ˢ
Declination : 35°5'18.3722″		Right ascension :
19ʰ57ᵐ16.3031074192ˢ
Declination :
35°8′54.5929657547″		Azimuth :
-87.99132819682386°
Altitude :
55.39750561785265° 		View
Beta Cygni3.3380 light yearRight ascension :
19ʰ30ᵐ43.2805ˢ
Declination : 27°57'43.2805″		Right ascension :
19ʰ31ᵐ45.8939759655ˢ
Declination :
28°0′36.9090378522″		Azimuth :
-72.14115303831352°
Altitude :
55.55170705800793° 		View