Hydrus, the Water Snake (Hyi)
(HIGH-drus)
The Southern constellation of Hydrus, the Water Snake, is best viewed in Winter during the month of December. It's brightest star is Beta Hydri at magnitude 2.82. The boundary of the Hydrus constellation contains 5 stars that host known exoplanets.
- Pronunciation:
- HIGH-drus
- Meaning:
- Water Snake
- Genitive:
- Hydri
- Abbreviation:
- Hyi
- Constellation Family:
- Hercules
- Hemisphere:
- Southern
- Quadrant:
- SQ1
- Best viewing month*:
- December
- Right Ascension (avg):
- 2h
- Declination (avg):
- -75°
- Brightest star:
- Beta Hydri (2.82)
- Stars with planets:
- 5
- Messier catalog objects:
- |
- Caldwell catalog objects:
- |
Brightest Stars in Hydrus
The 10 brightest stars in the constellation Hydrus by magnitude.
- Star
- Magnitude
- Spectral class
- Beta Hydri (β Hyi)
- 2.79
- G2IV
- Alpha Hydri (α Hyi)
- 2.86
- F0V
- Gamma Hydri (γ Hyi)
- 3.26
- M2III
- Delta Hydri (δ Hyi)
- 4.08
- A3V
- Epsilon Hydri (ε Hyi)
- 4.12
- B9III
- Eta Hydri (η2 Hyi)
- 4.68
- G5III
- Nu Hydri (ν Hyi)
- 4.76
- K3III
- Zeta Hydri (ζ Hyi)
- 4.83
- A2IV/V
- Lambda Hydri (λ Hyi)
- 5.09
- K5III
- Mu Hydri (μ Hyi)
- 5.27
- G4III
* Constellation shown for northen hemisphere skies. For the southern hemisphere, constellations appear rotated 180 degrees (upside-down and left-right reversed) from what is shown. Remember that seasons are reversed too - summer in northern latitudes is winter in southern latitudes.
** Circumpolar constellations are visible year-round in the hemisphere listed (and not at all in the opposite hemisphere).