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 881→
SolPhoDeiTerVenJovSat
1
2345678
9101112131415
16171819202122
232425262728
1 Hydra 881 2 Hydra 881 3 Hydra 881 4 Hydra 881 5 Hydra 881 6 Hydra 881 7 Hydra 881 8 Hydra 881 9 Hydra 881 10 Hydra 881 11 Hydra 881 12 Hydra 881 13 Hydra 881 14 Hydra 881 15 Hydra 881 16 Hydra 881 17 Hydra 881 18 Hydra 881 19 Hydra 881 20 Hydra 881 21 Hydra 881 22 Hydra 881 23 Hydra 881 24 Hydra 881 25 Hydra 881 26 Hydra 881 27 Hydra 881 28 Hydra 881 1 Corvus 881 15 July 3268 16 July 3268 17 July 3268 18 July 3268 19 July 3268 20 July 3268 21 July 3268 22 July 3268 23 July 3268 24 July 3268 25 July 3268 26 July 3268 27 July 3268 28 July 3268 29 July 3268 30 July 3268 31 July 3268 1 August 3268 2 August 3268 3 August 3268 4 August 3268 5 August 3268 6 August 3268 7 August 3268 8 August 3268 9 August 3268 10 August 3268 11 August 3268 12 August 3268 13 August 3268
MS 441643 MS 441644 MS 441645 MS 441646 MS 441647 MS 441648 MS 441649 MS 441650 MS 441651 MS 441652 MS 441653 MS 441654 MS 441655 MS 441656 MS 441657 MS 441658 MS 441659 MS 441660 MS 441661 MS 441662 MS 441663 MS 441664 MS 441665 MS 441666 MS 441667 MS 441668 MS 441669 MS 441670 MS 441671 MD 453901 MD 453902 MD 453903 MD 453904 MD 453905 MD 453906 MD 453907 MD 453908 MD 453909 MD 453910 MD 453911 MD 453912 MD 453913 MD 453914 MD 453915 MD 453916 MD 453917 MD 453918 MD 453919 MD 453920 MD 453921 MD 453922 MD 453923 MD 453924 MD 453925 MD 453926 MD 453927 MD 453928 MD 453929 MD 453930