IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg)
Hydra
The Hydra
OriginAncient
AbbreviationHya
GenitiveHydrae
Pronunciation/ˈhaɪdrə/ genitive /ˈhaɪdriː/
HIGH-druh
LocationCelestial Equator
Primary StarAlphard (α Hya)
Right Ascention 9h 28m Declination -8° 40'
Martian Solar Lag δ(🜨→♂) +0.272 h (16.3 min)
Hydra represents the Lernaean Hydra, a reptilian monster so vile that even its breath and blood were highly poisonous. It had nine serpent heads, eight mortal and one immortal. Every time one was cut off two would grow in its place. Defeating the Lernaean Hydra was the second labor assigned to Hercules by King Eurystheus. In the marshes of Lerna, Hercules drew out the Hydra from its lair, and with his mighty club, bashed one of its heads in. In its place, two heads sprouted, just as mean and deadly as the original. He realized he would need to take a different approach. He had his nephew Iolaus quickly cauterize each stump after it was bashed in. This prevented the heads from growing back. Hercules did this with each of the mortal heads. He struck off the immortal head and buried it deep in the ground and placed a huge rock on top of it. With his second labor complete, he dipped the tips of his arrows into the blood of the Hydra, covering them with deadly poison. In a second myth involving Hydra, this constellation represents the snake that Corvus used in a lie to Apollo.
www.underthesky.com
Hydra as depicted by Johann Bayer in his Uranometria (1603). Source image provided by www.RareMaps.com — Barry Lawrence Ruderman Antique Maps Inc. Via www.underthenightsky.com.
←Hydra 1055→
SolPhoDeiTerVenJovSat
1234567
891011121314
15161718192021
22232425262728
1 Hydra 1055 2 Hydra 1055 3 Hydra 1055 4 Hydra 1055 5 Hydra 1055 6 Hydra 1055 7 Hydra 1055 8 Hydra 1055 9 Hydra 1055 10 Hydra 1055 11 Hydra 1055 12 Hydra 1055 13 Hydra 1055 14 Hydra 1055 15 Hydra 1055 16 Hydra 1055 17 Hydra 1055 18 Hydra 1055 19 Hydra 1055 20 Hydra 1055 21 Hydra 1055 22 Hydra 1055 23 Hydra 1055 24 Hydra 1055 25 Hydra 1055 26 Hydra 1055 27 Hydra 1055 28 Hydra 1055 1 Corvus 1055 24 November 3595 25 November 3595 26 November 3595 27 November 3595 28 November 3595 29 November 3595 30 November 3595 1 December 3595 2 December 3595 3 December 3595 4 December 3595 5 December 3595 6 December 3595 7 December 3595 8 December 3595 9 December 3595 10 December 3595 11 December 3595 12 December 3595 13 December 3595 14 December 3595 15 December 3595 16 December 3595 17 December 3595 18 December 3595 19 December 3595 20 December 3595 21 December 3595 22 December 3595 23 December 3595
MS 557977 MS 557978 MS 557979 MS 557980 MS 557981 MS 557982 MS 557983 MS 557984 MS 557985 MS 557986 MS 557987 MS 557988 MS 557989 MS 557990 MS 557991 MS 557992 MS 557993 MS 557994 MS 557995 MS 557996 MS 557997 MS 557998 MS 557999 MS 558000 MS 558001 MS 558002 MS 558003 MS 558004 MS 558005 MD 573466 MD 573467 MD 573468 MD 573469 MD 573470 MD 573471 MD 573472 MD 573473 MD 573474 MD 573475 MD 573476 MD 573477 MD 573478 MD 573479 MD 573480 MD 573481 MD 573482 MD 573483 MD 573484 MD 573485 MD 573486 MD 573487 MD 573488 MD 573489 MD 573490 MD 573491 MD 573492 MD 573493 MD 573494 MD 573495