Hydra
E540386
Hydra is the largest and longest of the 88 modern constellations, representing a water serpent in the southern sky.
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
asterism-bearing sky area
ⓘ
constellation ⓘ |
| areaRank | 1 ⓘ |
| areaSquareDegrees | 1303 ⓘ |
| associatedMythology | Greek mythology ⓘ |
| belongsToFamily | Hercules family of constellations NERFINISHED ⓘ |
| bestVisibleAt | 21:00 local time ⓘ |
| bestVisibleInMonth | April ⓘ |
| borderingConstellation |
Antlia
NERFINISHED
ⓘ
Cancer ⓘ Canis Minor NERFINISHED ⓘ Centaurus NERFINISHED ⓘ Corvus NERFINISHED ⓘ Crater NERFINISHED ⓘ Leo NERFINISHED ⓘ Libra NERFINISHED ⓘ Monoceros NERFINISHED ⓘ Puppis NERFINISHED ⓘ Pyxis NERFINISHED ⓘ Sextans NERFINISHED ⓘ Virgo NERFINISHED ⓘ |
| brightestStar | Alphard NERFINISHED ⓘ |
| brightestStarApparentMagnitude | 1.98 ⓘ |
| brightestStarDesignation | Alpha Hydrae NERFINISHED ⓘ |
| brightestStarSpectralType | K3II-III ⓘ |
| brightestStarTraditionalNameMeaning | the solitary one ⓘ |
| catalogCode | Hya ⓘ |
| containsMessierObject |
M48
NERFINISHED
ⓘ
M68 NERFINISHED ⓘ M83 NERFINISHED ⓘ |
| containsNotableDeepSkyObject |
Ghost of Jupiter Nebula
NERFINISHED
ⓘ
Hydra Cluster NERFINISHED ⓘ NGC 3242 NERFINISHED ⓘ NGC 3314 NERFINISHED ⓘ |
| declinationRange | approximately +6° to −35° ⓘ |
| definedBy | International Astronomical Union NERFINISHED ⓘ |
| genitiveForm | Hydrae NERFINISHED ⓘ |
| hasIAUBoundaries | yes ⓘ |
| hemisphere | southern celestial hemisphere ⓘ |
| isLargestOf | 88 modern constellations ⓘ |
| isZodiacConstellation | false ⓘ |
| mythologicalAssociation | Lernaean Hydra NERFINISHED ⓘ |
| name | Hydra NERFINISHED ⓘ |
| numberOfBayerFlamsteedStars | 75 ⓘ |
| numberOfBrightStars | 3 ⓘ |
| numberOfMainStars | 18 ⓘ |
| numberOfMessierObjects | 3 ⓘ |
| numberOfNearbyStars | 4 ⓘ |
| numberOfStarsWithPlanets | 18 ⓘ |
| quadrant | SQ2 ⓘ |
| rightAscensionRange | approximately 8h to 15h ⓘ |
| symbolism |
sea serpent
ⓘ
water serpent ⓘ |
| visibleBetweenLatitudes | +54° and −83° ⓘ |
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.