Hydra Hya
Hydra is one of the 88 constellations, covering 1,299 square degrees of the sky (the largest). It is highest at midnight in February and best in the evening sky in March and April.
9 of its best-known objects have a page of their own here.
Facts
| Abbreviation | Hya |
|---|---|
| Size | 1,299 square degrees (the largest of the 88; the full Moon covers about 0.2) |
| Middle (J2000) | 10h 26m, −19° |
| Highest at midnight | February (in the evening, around 8–10 pm: March and April) |
| How high | From India (about 20° N) its middle climbs to about 51° above the horizon; from 50° N, to about 21°. |
| Pages here | 9 objects |
Galaxies
2Nebulae
1Star clusters
2Planetary systems
2Stars
2Brightest NGC and IC objects
OpenNGC| Object | Type | Magnitude | Size |
|---|---|---|---|
| M48 · NGC 2548 | Open star cluster | 5.8 | 28.2′ |
| M83 · NGC 5236 (Southern Pinwheel Galaxy) | Galaxy | 7.2 | 13.6′ |
| NGC 3242 (Jupiter's Ghost Nebula) | Planetary nebula | 7.7 | 0.4′ |
| M68 · NGC 4590 | Globular star cluster | 8 | 6.6′ |
| NGC 3621 (on the map) | Galaxy | 9.6 | 9.8′ |
| NGC 3923 (on the map) | Galaxy | 9.6 | 6.9′ |
| NGC 3585 (on the map) | Galaxy | 9.7 | 6.6′ |
| NGC 2784 (on the map) | Galaxy | 10.1 | 4.8′ |
| NGC 5061 (on the map) | Galaxy | 10.3 | 3.8′ |
| NGC 5101 (on the map) | Galaxy | 10.5 | 5.9′ |
| NGC 3109 (on the map) | Galaxy | 10.5 | 16′ |
| NGC 4105 (on the map) | Galaxy | 10.6 | 4.3′ |
Smaller magnitudes are brighter; the faintest stars the eye sees are about 6. The full Moon is about 31′ across.
Data: IAU constellation boundaries (Roman 1987) · OpenNGC (Mattia Verga, CC BY-SA 4.0) · Data sources & credits