Observation of constellations in real-time from Rio De Janeiro

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LUNDI 2 MARS 2026 À 04:47:29 UTC−3

Scene Notes

Hydra constellation

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

StarMagnitudeDistanceEquatorial position J2000Current Equatorial Position*Current Horizontal Position at Rio De JaneiroLien
Alphard1.98180 light yearRight ascension :
9ʰ27ᵐ35.243ˢ
Declination : -8°39'35.243″		Right ascension :
9ʰ28ᵐ54.033361545ˢ
Declination :
-8°46′30.4339332155″		Azimuth :
81.29961654068028°
Altitude :
1.9580920286976433° 		View
Beta Hydrae4.67310 light yearRight ascension :
11ʰ52ᵐ54.521ˢ
Declination : -33°54'54.521″		Right ascension :
11ʰ54ᵐ15.8320769427ˢ
Declination :
-34°3′21.4872297109″		Azimuth :
63.99870656000426°
Altitude :
40.768816627981664° 		View
Gamma Hydrae3133.8 light yearRight ascension :
13ʰ18ᵐ55.297ˢ
Declination : -23°10'55.297″		Right ascension :
13ʰ20ᵐ22.1253897518ˢ
Declination :
-23°18′37.0371491165″		Azimuth :
82.49254050062991°
Altitude :
59.05412030571277° 		View
Delta Hydrae4.131162 light yearRight ascension :
8ʰ37ᵐ39.3697ˢ
Declination : 5°42'39.3697″		Right ascension :
8ʰ39ᵐ4.064264446ˢ
Declination :
5°36′35.9012754104″		Azimuth :
89.76498089502104°
Altitude :
-15.10130993811602° 		View
Epsilon Hydrae3.38129 light yearRight ascension :
8ʰ46ᵐ46.512ˢ
Declination : 6°25'46.512″		Right ascension :
8ʰ48ᵐ11.4167664141ˢ
Declination :
6°19′9.7434248725″		Azimuth :
91.32542389371905°
Altitude :
-13.268338222822528° 		View
Zeta Hydrae3.1167 light yearRight ascension :
8ʰ55ᵐ23.626ˢ
Declination : 5°56'23.626″		Right ascension :
8ʰ56ᵐ48.2889312003ˢ
Declination :
5°50′34.5720618344″		Azimuth :
91.7010088727309°
Altitude :
-11.105403615357675° 		View
Eta Hydrae4.27590 light yearRight ascension :
8ʰ43ᵐ13.475ˢ
Declination : 3°23'13.475″		Right ascension :
8ʰ44ᵐ37.0493176041ˢ
Declination :
3°18′8.4536995412″		Azimuth :
88.11338646196573°
Altitude :
-12.940072997135212° 		View
Theta Hydrae3.88113 light yearRight ascension :
9ʰ14ᵐ21.86007ˢ
Declination : 2°18'21.86007″		Right ascension :
9ʰ15ᵐ44.3224001931ˢ
Declination :
2°12′16.2420206055″		Azimuth :
90.13605184115626°
Altitude :
-5.349613096518564° 		View
Iota Hydrae3.91263 light yearRight ascension :
9ʰ39ᵐ51.36145ˢ
Declination : -1°8'51.36145″		Right ascension :
9ʰ41ᵐ12.9461135615ˢ
Declination :
-1°15′48.3382155255″		Azimuth :
89.41646054062548°
Altitude :
1.8658125354436963° 		View
Lambda Hydrae3.61113 light yearRight ascension :
10ʰ10ᵐ35.27667ˢ
Declination : -12°21'35.27667″		Right ascension :
10ʰ11ᵐ53.6405190474ˢ
Declination :
-12°29′13.3479020306″		Azimuth :
81.81375759950483°
Altitude :
13.14113586576398° 		View
Mu Hydrae3.81234 light yearRight ascension :
10ʰ26ᵐ5.4263ˢ
Declination : -16°50'5.4263″		Right ascension :
10ʰ27ᵐ23.1217967079ˢ
Declination :
-16°58′22.9116354044″		Azimuth :
78.77400246858362°
Altitude :
18.199328739174938° 		View
Nu Hydrae3.11144 light yearRight ascension :
10ʰ49ᵐ37.489ˢ
Declination : -16°11'37.489″		Right ascension :
10ʰ50ᵐ56.8301726128ˢ
Declination :
-16°20′2.5235254794″		Azimuth :
81.36107168374978°
Altitude :
23.338169420967485° 		View
Xi Hydrae3.54129.6 light yearRight ascension :
11ʰ33ᵐ0.115ˢ
Declination : -31°51'0.115″		Right ascension :
11ʰ34ᵐ19.535521394ˢ
Declination :
-32°0′21.4367672149″		Azimuth :
66.2207822760504°
Altitude :
36.450486749929034° 		View
Pi Hydrae3.28101 light yearRight ascension :
14ʰ6ᵐ22.297ˢ
Declination : -26°40'22.297″		Right ascension :
14ʰ7ᵐ52.9544960498ˢ
Declination :
-26°48′28.7887888116″		Azimuth :
74.35698174192295°
Altitude :
69.82887720580509° 		View
Upsilon1 Hydrae4.12264 light yearRight ascension :
9ʰ51ᵐ28.694ˢ
Declination : -14°50'28.694″		Right ascension :
9ʰ52ᵐ45.7486800258ˢ
Declination :
-14°58′18.60079292″		Azimuth :
77.74284937804073°
Altitude :
9.700206133280327° 		View
Sigma Hydrae4.44370 light yearRight ascension :
8ʰ38ᵐ45.437ˢ
Declination : 3°20'45.437″		Right ascension :
8ʰ40ᵐ8.9708388079ˢ
Declination :
3°14′50.3807580793″		Azimuth :
87.61728926534111°
Altitude :
-13.946962924654338° 		View