Cih
γ Cassiopeiae
Cih is a very hot blue star, in the constellation Cassiopeia. The light you see from it tonight left it around 1477.
Where to find it
From mid-northern latitudes, such as New York, Rome or Tokyo, it never sets: it circles the pole all night, all year.
Bright enough to see even from a city. Apparent magnitude 2.15.
What it’s like
It gives off 3,407 times as much light as the Sun.
Its surface is at about 10,700 degrees.
It is 549.1 light years away: 5195 trillion kilometres.