- Stars with a name
- Marsic B
Marsic B
κ Herculis
Marsic B is an orange giant, in the constellation Hercules. The light you see from it tonight left it around -78.
Where to find it
From mid-northern latitudes, such as New York, Rome or Tokyo, it is best seen in the evening sky in April, May, June, July, and August.
Visible to the naked eye only under a dark sky, away from town. Apparent magnitude 6.25.
What it’s like
It gives off 1,146 times as much light as the Sun.
Its surface is at about 4,400 degrees.
It is 2,104.2 light years away: 19,907 trillion kilometres.