- Stars with a name
- Regulus
Regulus
α Leonis
Regulus is a very hot blue star, in the constellation Leo. The light you see from it tonight left it around 1947.
Where to find it
From mid-northern latitudes, such as New York, Rome or Tokyo, it is best seen in the evening sky in February, March, April, and May.
Bright enough to see even from a city. Apparent magnitude 1.36.
What it’s like
It gives off 147 times as much light as the Sun.
Its surface is at about 11,400 degrees.
It is 79.3 light years away: 750 trillion kilometres.
It is the star of people born around 1947: the light that left it then is reaching Earth now.