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Nyidawa

Hydrus

The lesser water snake. Genitive Hydri, abbreviated Hyi. Introduced by Keyser & de Houtman.

Area
243.05 sq°
61 of 88 by size
Brightest star
β Hydri
magnitude 2.80
Best seen
October
on the meridian at midnight
Visible from
32°N to 90°S
some part above the horizon

Where it is

MeasureValue
Centre2h 23m, −71.6°
Declination range−82.0° to −57.9°
Naked-eye stars32 to magnitude 6.5, 2 to magnitude 3
BordersDorado, Eridanus, Horologium, Mensa, Octans, Reticulum, Tucana

Principal stars

Every star to magnitude 4, brightest first.

StarMagnitudeHR
β Hydri2.8098
α Hydri2.86591
γ Hydri3.241208

Deep sky

No object in Hydrus carries a Messier number or a common name. It contains catalogued objects all the same, identified by number only.

My Sky

Rise, highest and set over your place, for any night: Hydrus

Further info

IAU: Hydrus Constellation Map

NOIRLab: Hydrus

Wikipedia: Hydrus

Sources

Principal stars: Bright Star Catalogue

Deep sky: NGC 2000.0

Area and borders: IAU constellation boundaries

Hydrus
Credit: E. Slawik/NOIRLab/NSF/AURA/M. Zamani