NGC_7009, also known as the Saturn Nebula, is a planetary nebula located in the constellation Aquarius. It was discovered by the astronomer William Herschel in 1782 and is approximately 18,000 light-years away from Earth. The nebula gets its name from its resemblance to the planet Saturn, featuring a bright central star surrounded by a distinct, elongated shape. The Saturn Nebula is notable for its striking colors, which are produced by the ionization of gases such as hydrogen and nitrogen. Its central star, a hot white dwarf, emits intense ultraviolet radiation, causing the surrounding gas to glow. NGC_7009 is a popular target for amateur astronomers due to its unique appearance and brightness.