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Cygnus x-1 was discovered by a team of scientists and rocket engineers at the White Sand Missile base in 1964.
cygnus x-1
The only "named" black hole is called "Cygnus X-1", for the first X-ray source in the constellation Cygnus.
The famously first-observed black hole in Cygnus known as Cygnus X-1 is about 6,070 light years distant.