Hydra constellation
* application of precession, nutation, proper motion and aberration of light.
| Star | Magnitude | Distance | Equatorial position J2000 | Current Equatorial Position* | Current Horizontal Position at Saint-Étienne | Lien |
|---|---|---|---|---|---|---|
| Alphard | 1.98 | 180 light year | Right ascension : 9ʰ27ᵐ35.243ˢ Declination : -8°39'35.243″ | Right ascension : 9ʰ28ᵐ54.0340876471ˢ Declination : -8°46′30.427389021″ | Azimuth : 100.1367709057486° Altitude : -22.014767369335587° | View |
| Beta Hydrae | 4.67 | 310 light year | Right ascension : 11ʰ52ᵐ54.521ˢ Declination : -33°54'54.521″ | Right ascension : 11ʰ54ᵐ15.8316161353ˢ Declination : -34°3′21.4706890711″ | Azimuth : 56.45570136366214° Altitude : -15.103192300479181° | View |
| Gamma Hydrae | 3 | 133.8 light year | Right ascension : 13ʰ18ᵐ55.297ˢ Declination : -23°10'55.297″ | Right ascension : 13ʰ20ᵐ22.124330356ˢ Declination : -23°18′37.0262645994″ | Azimuth : 48.817492104063554° Altitude : 5.190825639884325° | View |
| Delta Hydrae | 4.131 | 162 light year | Right ascension : 8ʰ37ᵐ39.3697ˢ Declination : 5°42'39.3697″ | Right ascension : 8ʰ39ᵐ4.065323163ˢ Declination : 5°36′35.9021808077″ | Azimuth : 120.26422897900682° Altitude : -19.340714880014296° | View |
| Epsilon Hydrae | 3.38 | 129 light year | Right ascension : 8ʰ46ᵐ46.512ˢ Declination : 6°25'46.512″ | Right ascension : 8ʰ48ᵐ11.4177698182ˢ Declination : 6°19′9.7440181209″ | Azimuth : 118.83608035884521° Altitude : -17.388433429660292° | View |
| Zeta Hydrae | 3.1 | 167 light year | Right ascension : 8ʰ55ᵐ23.626ˢ Declination : 5°56'23.626″ | Right ascension : 8ʰ56ᵐ48.2898775611ˢ Declination : 5°50′34.5727449496″ | Azimuth : 116.77655429551619° Altitude : -16.423935462216267° | View |
| Eta Hydrae | 4.27 | 590 light year | Right ascension : 8ʰ43ᵐ13.475ˢ Declination : 3°23'13.475″ | Right ascension : 8ʰ44ᵐ37.0503374955ˢ Declination : 3°18′8.4554261402″ | Azimuth : 117.59490748378246° Altitude : -20.30649931815946° | View |
| Theta Hydrae | 3.88 | 113 light year | Right ascension : 9ʰ14ᵐ21.86007ˢ Declination : 2°18'21.86007″ | Right ascension : 9ʰ15ᵐ44.3232188135ˢ Declination : 2°12′16.2440188499″ | Azimuth : 110.57229120394801° Altitude : -16.166417263791182° | View |
| Iota Hydrae | 3.91 | 263 light year | Right ascension : 9ʰ39ᵐ51.36145ˢ Declination : -1°8'51.36145″ | Right ascension : 9ʰ41ᵐ12.9467488576ˢ Declination : -1°15′48.3347996356″ | Azimuth : 103.26365900481231° Altitude : -14.46389273615205° | View |
| Lambda Hydrae | 3.61 | 113 light year | Right ascension : 10ʰ10ᵐ35.27667ˢ Declination : -12°21'35.27667″ | Right ascension : 10ʰ11ᵐ53.640934844ˢ Declination : -12°29′13.3395584619″ | Azimuth : 89.44547636008504° Altitude : -17.120346539932516° | View |
| Mu Hydrae | 3.81 | 234 light year | Right ascension : 10ʰ26ᵐ5.4263ˢ Declination : -16°50'5.4263″ | Right ascension : 10ʰ27ᵐ23.1220969486ˢ Declination : -16°58′22.9013516605″ | Azimuth : 83.33780891072102° Altitude : -17.503728186563276° | View |
| Nu Hydrae | 3.11 | 144 light year | Right ascension : 10ʰ49ᵐ37.489ˢ Declination : -16°11'37.489″ | Right ascension : 10ʰ50ᵐ56.8302820853ˢ Declination : -16°20′2.5135160917″ | Azimuth : 79.78462899771128° Altitude : -12.97512528365701° | View |
| Xi Hydrae | 3.54 | 129.6 light year | Right ascension : 11ʰ33ᵐ0.115ˢ Declination : -31°51'0.115″ | Right ascension : 11ʰ34ᵐ19.5352493162ˢ Declination : -32°0′21.4206570171″ | Azimuth : 61.01597018715832° Altitude : -16.6594875507819° | View |
| Pi Hydrae | 3.28 | 101 light year | Right ascension : 14ʰ6ᵐ22.297ˢ Declination : -26°40'22.297″ | Right ascension : 14ʰ7ᵐ52.9530975109ˢ Declination : -26°48′28.778407907″ | Azimuth : 37.77339380938321° Altitude : 7.9358348416033975° | View |
| Upsilon1 Hydrae | 4.12 | 264 light year | Right ascension : 9ʰ51ᵐ28.694ˢ Declination : -14°50'28.694″ | Right ascension : 9ʰ52ᵐ45.7492438205ˢ Declination : -14°58′18.5915627096″ | Azimuth : 90.95098546090517° Altitude : -22.19465832883694° | View |
| Sigma Hydrae | 4.44 | 370 light year | Right ascension : 8ʰ38ᵐ45.437ˢ Declination : 3°20'45.437″ | Right ascension : 8ʰ40ᵐ8.9718867257ˢ Declination : 3°14′50.3825287381″ | Azimuth : 118.49329239747888° Altitude : -21.04144827265414° | View |