- Stars with a name
- Sadr
Sadr
γ Cygni
Sadr is a yellow-white supergiant, in the constellation Cygnus. The light you see from it tonight left it around 194.
Where to find it
From mid-northern latitudes, such as New York, Rome or Tokyo, it is best seen in the evening sky in June, July, August, September, October, and November.
Bright enough to see even from a city. Apparent magnitude 2.23.
What it’s like
It gives off 35,253 times as much light as the Sun.
Its surface temperature is about 5,400 degrees Celsius.
It is 1,832.3 light years away: 17,335 trillion kilometres.