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 Toulon | Lien |
|---|---|---|---|---|---|---|
| Alphard | 1.98 | 180 light year | Right ascension : 9ʰ27ᵐ35.243ˢ Declination : -8°39'35.243″ | Right ascension : 9ʰ28ᵐ54.0340874185ˢ Declination : -8°46′30.4273910653″ | Azimuth : 100.34605965925685° Altitude : -23.515680921161252° | View |
| Beta Hydrae | 4.67 | 310 light year | Right ascension : 11ʰ52ᵐ54.521ˢ Declination : -33°54'54.521″ | Right ascension : 11ʰ54ᵐ15.831616279ˢ Declination : -34°3′21.4706942663″ | Azimuth : 56.85921533818886° Altitude : -14.759273640390331° | View |
| Gamma Hydrae | 3 | 133.8 light year | Right ascension : 13ʰ18ᵐ55.297ˢ Declination : -23°10'55.297″ | Right ascension : 13ʰ20ᵐ22.1243306881ˢ Declination : -23°18′37.026268024″ | Azimuth : 50.13717914072784° Altitude : 5.849319562815004° | View |
| Delta Hydrae | 4.131 | 162 light year | Right ascension : 8ʰ37ᵐ39.3697ˢ Declination : 5°42'39.3697″ | Right ascension : 8ʰ39ᵐ4.06532283ˢ Declination : 5°36′35.9021805385″ | Azimuth : 120.8140999229864° Altitude : -21.468367544903213° | View |
| Epsilon Hydrae | 3.38 | 129 light year | Right ascension : 8ʰ46ᵐ46.512ˢ Declination : 6°25'46.512″ | Right ascension : 8ʰ48ᵐ11.4177695026ˢ Declination : 6°19′9.7440179494″ | Azimuth : 119.42379909434912° Altitude : -19.48037388620623° | View |
| Zeta Hydrae | 3.1 | 167 light year | Right ascension : 8ʰ55ᵐ23.626ˢ Declination : 5°56'23.626″ | Right ascension : 8ʰ56ᵐ48.2898772635ˢ Declination : 5°50′34.5727447495″ | Azimuth : 117.36924458247395° Altitude : -18.461485270610744° | View |
| Eta Hydrae | 4.27 | 590 light year | Right ascension : 8ʰ43ᵐ13.475ˢ Declination : 3°23'13.475″ | Right ascension : 8ʰ44ᵐ37.0503371747ˢ Declination : 3°18′8.4554256126″ | Azimuth : 118.07967180195331° Altitude : -22.36458001651625° | View |
| Theta Hydrae | 3.88 | 113 light year | Right ascension : 9ʰ14ᵐ21.86007ˢ Declination : 2°18'21.86007″ | Right ascension : 9ʰ15ᵐ44.323218556ˢ Declination : 2°12′16.2440182353″ | Azimuth : 111.11010728503524° Altitude : -18.02347440525975° | View |
| Iota Hydrae | 3.91 | 263 light year | Right ascension : 9ʰ39ᵐ51.36145ˢ Declination : -1°8'51.36145″ | Right ascension : 9ʰ41ᵐ12.9467486577ˢ Declination : -1°15′48.3348006972″ | Azimuth : 103.8017253787032° Altitude : -16.081464783128332° | View |
| Lambda Hydrae | 3.61 | 113 light year | Right ascension : 10ʰ10ᵐ35.27667ˢ Declination : -12°21'35.27667″ | Right ascension : 10ʰ11ᵐ53.6409347129ˢ Declination : -12°29′13.3395610742″ | Azimuth : 89.7879370656456° Altitude : -18.21281686818965° | View |
| Mu Hydrae | 3.81 | 234 light year | Right ascension : 10ʰ26ᵐ5.4263ˢ Declination : -16°50'5.4263″ | Right ascension : 10ʰ27ᵐ23.1220968537ˢ Declination : -16°58′22.9013548836″ | Azimuth : 83.63537711401058° Altitude : -18.342537699053796° | View |
| Nu Hydrae | 3.11 | 144 light year | Right ascension : 10ʰ49ᵐ37.489ˢ Declination : -16°11'37.489″ | Right ascension : 10ʰ50ᵐ56.8302820503ˢ Declination : -16°20′2.5135192301″ | Azimuth : 80.28104003841712° Altitude : -13.6665920136559° | View |
| Xi Hydrae | 3.54 | 129.6 light year | Right ascension : 11ʰ33ᵐ0.115ˢ Declination : -31°51'0.115″ | Right ascension : 11ʰ34ᵐ19.5352494008ˢ Declination : -32°0′21.4206620756″ | Azimuth : 61.3345046482551° Altitude : -16.516591945066473° | View |
| Pi Hydrae | 3.28 | 101 light year | Right ascension : 14ʰ6ᵐ22.297ˢ Declination : -26°40'22.297″ | Right ascension : 14ʰ7ᵐ52.9530979495ˢ Declination : -26°48′28.7784111766″ | Azimuth : 39.19805781330713° Altitude : 9.05423383855688° | View |
| Upsilon1 Hydrae | 4.12 | 264 light year | Right ascension : 9ʰ51ᵐ28.694ˢ Declination : -14°50'28.694″ | Right ascension : 9ʰ52ᵐ45.7492436428ˢ Declination : -14°58′18.5915655994″ | Azimuth : 91.07034018021787° Altitude : -23.343183728037985° | View |
| Sigma Hydrae | 4.44 | 370 light year | Right ascension : 8ʰ38ᵐ45.437ˢ Declination : 3°20'45.437″ | Right ascension : 8ʰ40ᵐ8.9718863961ˢ Declination : 3°14′50.3825281969″ | Azimuth : 118.9681263504153° Altitude : -23.12305124038649° | View |