Constellations
Hydra (Hya)
The Water Snake
Also known as water snake.
6 looks for Hydra
The constellation in a clear night sky over the hills: its lines draw themselves one on every beat, its real stars twinkle with the part of the song their colour answers, the Milky Way glows and a shooting star crosses on the big moments.
About Hydra
- What it is
- One of the IAU's constellations: The Water Snake
- IAU abbreviation
- Hya
- Its stars are named
- Hydrae (as in "Alpha Hydrae")
- Family
- Hercules family
- Where
- Along the celestial equator: seen from both hemispheres
- Highest in the sky
- At about 9 pm in April
- Centre
- Right ascension 10h 16m, declination −11° 14′
- The figure
- 18 stars joined by 18 lines
- Brightest star
- Alphard, magnitude 1.98
Its stars
Brightest first. A smaller magnitude is a brighter star; the visualizer sizes and colours each one by these.
- Alphard (α Hya)mag 1.98
- γ Hyamag 3.00
- ζ Hyamag 3.11
- ν Hyamag 3.11
- π Hyamag 3.27
- Ashlesha (ε Hya)mag 3.38
- ξ Hyamag 3.54
- λ Hyamag 3.61
- μ Hyamag 3.81
- θ Hyamag 3.88
- Ukdah (ι Hya)mag 3.91
- Zhang (υ1 Hya)mag 4.12
- Minazal (δ Hya)mag 4.16
- β Hyamag 4.28
- η Hyamag 4.30
- ρ Hyamag 4.36
- E Hyamag 4.41
- Minchir (σ Hya)mag 4.44
Every star's place, brightness and colour is the Yale Bright Star Catalogue's; the figure is the IAU's, through d3-celestial (credited on the licences page). Constellations template · Every constellation