Antlia, Chamaeleon, Crater, Hydra, Leo, Leo Minor, Sextans and Ursa Major are at their best in April
A constellation is at its best when it stands highest in the evening, due south from the northern hemisphere or due north from the southern. The last two columns give its height above the horizon at 9 pm in mid-April.
| Constellation | Meaning | Hemisphere | Brightest star | Messier | At 40°N | At 35°S |
|---|---|---|---|---|---|---|
| Antlia | Air Pump | Southern | Antliae | 14° | 88° | |
| Chamaeleon | Chameleon | Southern | Alpha Chamaeleontis | below horizon | 43° | |
| Crater | Cup | Southern | Labrum | 33° | 65° | |
| Hydra | Water Monster | Southern | Alphard | 3 | 28° | 75° |
| Leo | Lion | Northern | Regulus | 5 | 65° | 40° |
| Leo Minor | Lesser Lion | Northern | Praecipua | 80° | 25° | |
| Sextans | Sextant | Southern | Alpha Sextantis | 43° | 62° | |
| Ursa Major | Great Bear | Northern | Alioth | 7 | 81° | 7° |
Constellations more than 20° high at 9 pm in April
Measured at the center of each constellation. Large constellations can be partly visible when their center is lower.
From 40°N: 25 constellations
- Auriga
- Boötes
- Camelopardalis
- Cancer
- Canes Venatici
- Canis Minor
- Cepheus
- Coma Berenices
- Corona Borealis
- Corvus
- Crater
- Draco
- Gemini
- Hydra
- Leo
- Leo Minor
- Lynx
- Monoceros
- Orion
- Perseus
- Pyxis
- Sextans
- Ursa Major
- Ursa Minor
- Virgo
From 35°S: 39 constellations
- Antlia
- Apus
- Ara
- Caelum
- Cancer
- Canis Major
- Canis Minor
- Carina
- Centaurus
- Chamaeleon
- Circinus
- Columba
- Coma Berenices
- Corvus
- Crater
- Crux
- Dorado
- Hydra
- Hydrus
- Leo
- Leo Minor
- Lepus
- Libra
- Lupus
- Mensa
- Monoceros
- Musca
- Norma
- Octans
- Pictor
- Puppis
- Pyxis
- Reticulum
- Scorpius
- Sextans
- Triangulum Australe
- Vela
- Virgo
- Volans
Meteor showers peaking in April
Rates are the zenithal hourly rate, the count one observer would see under a dark sky with the radiant overhead; real counts are lower. Peak dates move by about a day from year to year.
| Shower | Peak | Active | Rate per hour | Radiant | Parent body |
|---|---|---|---|---|---|
| April Lyrids | Apr 22 | Apr 14 - Apr 30 | 18 | Lyra | C/1861 G1 (Thatcher) |
| pi Puppids | Apr 24 | Apr 15 - Apr 28 | Puppis | 26P/Grigg-Skjellerup |
Video: April stargazing
April Stargazing: Constellations & Meteor Showers · Watch on YouTube