northern skyBest Apr
Leo
The Liongen. Leonis
- Brightest
- Regulus
- Stars
- 150
- Best viewed
- April
- Sky center
- 162.0°, +12.0°
Alpha Leonis
in catalog
from mid-latitudes
RA / Dec
Live 3D view
150 stars
pinch · drag
α · Brightest
Regulus
Mythology
The Nemean Lion, slain by Heracles in the first of his twelve labors. Regulus — 'little king' — sits on the ecliptic and has been associated with royalty across Babylonian, Greek, Roman, and Persian astronomy.
Brightest stars
top 8 of 150| Star | Bayer | Magnitude | B−V |
|---|---|---|---|
Regulus | 32Alp Leo | 1.36 | -0.09 |
Algieba | 41Gam1Leo | 2.01 | 1.13 |
Denebola | 94Bet Leo | 2.14 | 0.09 |
Zosma | 68Del Leo | 2.56 | 0.13 |
Ras Elased Australis | 17Eps Leo | 2.97 | 0.81 |
Chertan | 70The Leo | 3.33 | 0.00 |
Adhafera | 36Zet Leo | 3.43 | 0.31 |
30Eta Leo | — | 3.48 | -0.03 |
- Regulus32Alp Leo1.36mag
- Algieba41Gam1Leo2.01mag
- Denebola94Bet Leo2.14mag
- Zosma68Del Leo2.56mag
- Ras Elased Australis17Eps Leo2.97mag
- Chertan70The Leo3.33mag
- Adhafera36Zet Leo3.43mag
- 30Eta Leo3.48mag
Lower magnitude = brighter. B−V color index maps to star color (bluer cooler, redder warmer).