Observation of constellations in real-time from Rennes

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LUNDI 2 MARS 2026 À 08:47:45 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 RennesLien
Alphard1.98180 light yearRight ascension :
9ʰ27ᵐ35.243ˢ
Declination : -8°39'35.243″		Right ascension :
9ʰ28ᵐ54.0333597228ˢ
Declination :
-8°46′30.4339497683″		Azimuth :
119.11001050651902°
Altitude :
-34.39911024380438° 		View
Beta Hydrae4.67310 light yearRight ascension :
11ʰ52ᵐ54.521ˢ
Declination : -33°54'54.521″		Right ascension :
11ʰ54ᵐ15.8320781097ˢ
Declination :
-34°3′21.4872713226″		Azimuth :
69.92288517679215°
Altitude :
-28.85390567708106° 		View
Gamma Hydrae3133.8 light yearRight ascension :
13ʰ18ᵐ55.297ˢ
Declination : -23°10'55.297″		Right ascension :
13ʰ20ᵐ22.1253924221ˢ
Declination :
-23°18′37.0371764517″		Azimuth :
63.76473240381448°
Altitude :
-7.9851571698848325° 		View
Delta Hydrae4.131162 light yearRight ascension :
8ʰ37ᵐ39.3697ˢ
Declination : 5°42'39.3697″		Right ascension :
8ʰ39ᵐ4.0642617863ˢ
Declination :
5°36′35.9012730106″		Azimuth :
140.29153166133167°
Altitude :
-28.400429107543467° 		View
Epsilon Hydrae3.38129 light yearRight ascension :
8ʰ46ᵐ46.512ˢ
Declination : 6°25'46.512″		Right ascension :
8ʰ48ᵐ11.4167638933ˢ
Declination :
6°19′9.7434232604″		Azimuth :
138.34059869164602°
Altitude :
-26.769862396716587° 		View
Zeta Hydrae3.1167 light yearRight ascension :
8ʰ55ᵐ23.626ˢ
Declination : 5°56'23.626″		Right ascension :
8ʰ56ᵐ48.2889288229ˢ
Declination :
5°50′34.5720599997″		Azimuth :
135.96870188503638°
Altitude :
-26.21591630570603° 		View
Eta Hydrae4.27590 light yearRight ascension :
8ʰ43ᵐ13.475ˢ
Declination : 3°23'13.475″		Right ascension :
8ʰ44ᵐ37.0493150422ˢ
Declination :
3°18′8.4536950796″		Azimuth :
137.70823630048233°
Altitude :
-29.865776456398887° 		View
Theta Hydrae3.88113 light yearRight ascension :
9ʰ14ᵐ21.86007ˢ
Declination : 2°18'21.86007″		Right ascension :
9ʰ15ᵐ44.3223981371ˢ
Declination :
2°12′16.2420154734″		Azimuth :
129.36706004204146°
Altitude :
-27.06098433608425° 		View
Iota Hydrae3.91263 light yearRight ascension :
9ʰ39ᵐ51.36145ˢ
Declination : -1°8'51.36145″		Right ascension :
9ʰ41ᵐ12.9461119667ˢ
Declination :
-1°15′48.3382242094″		Azimuth :
121.26743051450939°
Altitude :
-26.50161384282157° 		View
Lambda Hydrae3.61113 light yearRight ascension :
10ʰ10ᵐ35.27667ˢ
Declination : -12°21'35.27667″		Right ascension :
10ʰ11ᵐ53.640518006ˢ
Declination :
-12°29′13.3479230868″		Azimuth :
106.56836250038113°
Altitude :
-30.68939516173486° 		View
Mu Hydrae3.81234 light yearRight ascension :
10ʰ26ᵐ5.4263ˢ
Declination : -16°50'5.4263″		Right ascension :
10ʰ27ᵐ23.1217959577ˢ
Declination :
-16°58′22.9116613304″		Azimuth :
99.80873356930022°
Altitude :
-31.494860822587782° 		View
Nu Hydrae3.11144 light yearRight ascension :
10ʰ49ᵐ37.489ˢ
Declination : -16°11'37.489″		Right ascension :
10ʰ50ᵐ56.8301723423ˢ
Declination :
-16°20′2.5235507031″		Azimuth :
95.63127834301105°
Altitude :
-27.136017271265793° 		View
Xi Hydrae3.54129.6 light yearRight ascension :
11ʰ33ᵐ0.115ˢ
Declination : -31°51'0.115″		Right ascension :
11ʰ34ᵐ19.5355220859ˢ
Declination :
-32°0′21.436807755″		Azimuth :
74.85049475745572°
Altitude :
-30.68964555370468° 		View
Pi Hydrae3.28101 light yearRight ascension :
14ʰ6ᵐ22.297ˢ
Declination : -26°40'22.297″		Right ascension :
14ʰ7ᵐ52.9544995736ˢ
Declination :
-26°48′28.7888148537″		Azimuth :
53.136737339899405°
Altitude :
-3.9596876578863456° 		View
Upsilon1 Hydrae4.12264 light yearRight ascension :
9ʰ51ᵐ28.694ˢ
Declination : -14°50'28.694″		Right ascension :
9ʰ52ᵐ45.7486786125ˢ
Declination :
-14°58′18.6008162142″		Azimuth :
108.81978275434342°
Altitude :
-35.60963900600311° 		View
Sigma Hydrae4.44370 light yearRight ascension :
8ʰ38ᵐ45.437ˢ
Declination : 3°20'45.437″		Right ascension :
8ʰ40ᵐ8.9708361756ˢ
Declination :
3°14′50.3807535054″		Azimuth :
138.83461571870583°
Altitude :
-30.41145619631312° 		View