- Stars with a name
- Campbell's Hydrogen Star
Campbell's Hydrogen Star
HD 184738
Campbell's Hydrogen Star is a Wolf-Rayet star, in the constellation Cygnus. Its distance is not known precisely.
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, and October.
Very faint: you’ll need a telescope. Apparent magnitude 10.00.
What it’s like
It gives off 870,964 times as much light as the Sun.
Its surface is at about 10,300 degrees.