Hydrus
Where is Hydrus?
Below the horizon from London all the time.
- Rises
- Never
- Highest
- —
- Sets
- —
- Best after dark
- —
How to find Hydrus
Nearby constellations include Mensa, Reticulum, Tucana and Octans.
Its center is at right ascension 2h 09m, declination −71°. Use the chart above: north is up and east is to the left, as when you face south from the Northern Hemisphere.
Best time to see Hydrus
Hydrus is highest in the evening sky, around 10 pm, in November. A month or two either side it is still well placed, earlier or later in the night. All of it rises above the horizon from latitudes of about 5° N to 90° S.
Hydrus never rises from London: it is too far south in the sky for this latitude.
This is position and timing only: clouds, haze and light pollution aren’t included.
Seeing Hydrus
Eyes
Its stars are fairly faint (the brightest, its alpha star, is mag 2.8). You’ll need a sky away from bright lights to trace the pattern.
Binoculars
Binoculars show many more stars than your eye, and bring out star clusters and brighter nebulae inside it.
Telescope
The constellation is far too large for a telescope’s view. Use one for the clusters, nebulae and galaxies inside it.
About
Hydrus (genitive Hydri, abbreviated Hyi) is one of the 88 constellations recognized by the International Astronomical Union, which together cover the whole sky.
Questions
When is Hydrus visible?
Can I see Hydrus from where I live?
Sources: IAU; Wikidata (CC0); SkyMate. Positions computed for your place and time with astronomy-engine. Data & Licences