The Crescent Nebula is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It was discovered by William Herschel in 1792.

Distance to Earth: 5,000 light years

Magnitude: 7.4

Apparent dimensions (V): 18′ × 12′

Constellation: Cygnus

Apparent magnitude (V): 7.4

Right ascension: 20^h 12^m 7^s