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 887→
SolPhoDeiTerVenJovSat
1
2345678
9101112131415
16171819202122
232425262728
1 Hydra 887 2 Hydra 887 3 Hydra 887 4 Hydra 887 5 Hydra 887 6 Hydra 887 7 Hydra 887 8 Hydra 887 9 Hydra 887 10 Hydra 887 11 Hydra 887 12 Hydra 887 13 Hydra 887 14 Hydra 887 15 Hydra 887 16 Hydra 887 17 Hydra 887 18 Hydra 887 19 Hydra 887 20 Hydra 887 21 Hydra 887 22 Hydra 887 23 Hydra 887 24 Hydra 887 25 Hydra 887 26 Hydra 887 27 Hydra 887 28 Hydra 887 1 Corvus 887 28 October 3279 29 October 3279 30 October 3279 31 October 3279 1 November 3279 2 November 3279 3 November 3279 4 November 3279 5 November 3279 6 November 3279 7 November 3279 8 November 3279 9 November 3279 10 November 3279 11 November 3279 12 November 3279 13 November 3279 14 November 3279 15 November 3279 16 November 3279 17 November 3279 18 November 3279 19 November 3279 20 November 3279 21 November 3279 22 November 3279 23 November 3279 24 November 3279 25 November 3279 26 November 3279
MS 445654 MS 445655 MS 445656 MS 445657 MS 445658 MS 445659 MS 445660 MS 445661 MS 445662 MS 445663 MS 445664 MS 445665 MS 445666 MS 445667 MS 445668 MS 445669 MS 445670 MS 445671 MS 445672 MS 445673 MS 445674 MS 445675 MS 445676 MS 445677 MS 445678 MS 445679 MS 445680 MS 445681 MS 445682 MD 458023 MD 458024 MD 458025 MD 458026 MD 458027 MD 458028 MD 458029 MD 458030 MD 458031 MD 458032 MD 458033 MD 458034 MD 458035 MD 458036 MD 458037 MD 458038 MD 458039 MD 458040 MD 458041 MD 458042 MD 458043 MD 458044 MD 458045 MD 458046 MD 458047 MD 458048 MD 458049 MD 458050 MD 458051 MD 458052