Observation of constellations in real-time from Lyon

N O S E

LIVE

LUNDI 2 MARS 2026 À 08:47:39 UTC+1

Scene Notes

Hydra constellation

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

StarMagnitudeDistanceEquatorial position J2000Current Equatorial Position*Current Horizontal Position at LyonLien
Alphard1.98180 light yearRight ascension :
9ʰ27ᵐ35.243ˢ
Declination : -8°39'35.243″		Right ascension :
9ʰ28ᵐ54.0333604061ˢ
Declination :
-8°46′30.4339435609″		Azimuth :
124.09937801616256°
Altitude :
-39.414684183322244° 		View
Beta Hydrae4.67310 light yearRight ascension :
11ʰ52ᵐ54.521ˢ
Declination : -33°54'54.521″		Right ascension :
11ʰ54ᵐ15.8320776721ˢ
Declination :
-34°3′21.4872557182″		Azimuth :
72.50919563354121°
Altitude :
-32.29736114331493° 		View
Gamma Hydrae3133.8 light yearRight ascension :
13ʰ18ᵐ55.297ˢ
Declination : -23°10'55.297″		Right ascension :
13ʰ20ᵐ22.1253914207ˢ
Declination :
-23°18′37.037166201″		Azimuth :
67.84951550862931°
Altitude :
-11.067587131934726° 		View
Delta Hydrae4.131162 light yearRight ascension :
8ʰ37ᵐ39.3697ˢ
Declination : 5°42'39.3697″		Right ascension :
8ʰ39ᵐ4.0642627837ˢ
Declination :
5°36′35.9012739106″		Azimuth :
146.31820942901408°
Altitude :
-32.94430093201343° 		View
Epsilon Hydrae3.38129 light yearRight ascension :
8ʰ46ᵐ46.512ˢ
Declination : 6°25'46.512″		Right ascension :
8ʰ48ᵐ11.4167648386ˢ
Declination :
6°19′9.743423865″		Azimuth :
144.19714038725604°
Altitude :
-31.387064375735196° 		View
Zeta Hydrae3.1167 light yearRight ascension :
8ʰ55ᵐ23.626ˢ
Declination : 5°56'23.626″		Right ascension :
8ʰ56ᵐ48.2889297145ˢ
Declination :
5°50′34.5720606878″		Azimuth :
141.69408343708037°
Altitude :
-30.913272313184084° 		View
Eta Hydrae4.27590 light yearRight ascension :
8ʰ43ᵐ13.475ˢ
Declination : 3°23'13.475″		Right ascension :
8ʰ44ᵐ37.0493160029ˢ
Declination :
3°18′8.4536967528″		Azimuth :
143.68114180844802°
Altitude :
-34.50267649721046° 		View
Theta Hydrae3.88113 light yearRight ascension :
9ʰ14ᵐ21.86007ˢ
Declination : 2°18'21.86007″		Right ascension :
9ʰ15ᵐ44.3223989081ˢ
Declination :
2°12′16.242017398″		Azimuth :
134.81141502326548°
Altitude :
-31.935465484739044° 		View
Iota Hydrae3.91263 light yearRight ascension :
9ʰ39ᵐ51.36145ˢ
Declination : -1°8'51.36145″		Right ascension :
9ʰ41ᵐ12.9461125648ˢ
Declination :
-1°15′48.3382209529″		Azimuth :
126.30016144464275°
Altitude :
-31.50154833062416° 		View
Lambda Hydrae3.61113 light yearRight ascension :
10ʰ10ᵐ35.27667ˢ
Declination : -12°21'35.27667″		Right ascension :
10ʰ11ᵐ53.6405183965ˢ
Declination :
-12°29′13.3479151907″		Azimuth :
110.78781148470196°
Altitude :
-35.64879001931684° 		View
Mu Hydrae3.81234 light yearRight ascension :
10ʰ26ᵐ5.4263ˢ
Declination : -16°50'5.4263″		Right ascension :
10ʰ27ᵐ23.121796239ˢ
Declination :
-16°58′22.9116516081″		Azimuth :
103.61250745727874°
Altitude :
-36.319226662692515° 		View
Nu Hydrae3.11144 light yearRight ascension :
10ʰ49ᵐ37.489ˢ
Declination : -16°11'37.489″		Right ascension :
10ʰ50ᵐ56.8301724437ˢ
Declination :
-16°20′2.5235412442″		Azimuth :
99.38750565230346°
Altitude :
-31.8443343299301° 		View
Xi Hydrae3.54129.6 light yearRight ascension :
11ʰ33ᵐ0.115ˢ
Declination : -31°51'0.115″		Right ascension :
11ʰ34ᵐ19.5355218264ˢ
Declination :
-32°0′21.4367925524″		Azimuth :
77.45975251987507°
Altitude :
-34.435550306904844° 		View
Pi Hydrae3.28101 light yearRight ascension :
14ʰ6ᵐ22.297ˢ
Declination : -26°40'22.297″		Right ascension :
14ʰ7ᵐ52.9544982522ˢ
Declination :
-26°48′28.7888050879″		Azimuth :
57.48840573576585°
Altitude :
-6.267332775963733° 		View
Upsilon1 Hydrae4.12264 light yearRight ascension :
9ʰ51ᵐ28.694ˢ
Declination : -14°50'28.694″		Right ascension :
9ʰ52ᵐ45.7486791425ˢ
Declination :
-14°58′18.6008074789″		Azimuth :
113.08797162082811°
Altitude :
-40.59738001610482° 		View
Sigma Hydrae4.44370 light yearRight ascension :
8ʰ38ᵐ45.437ˢ
Declination : 3°20'45.437″		Right ascension :
8ʰ40ᵐ8.9708371627ˢ
Declination :
3°14′50.3807552207″		Azimuth :
144.89305126084477°
Altitude :
-35.00789281587623° 		View