A planetary nebula in the Aquarius constellation discovered by William Herschel in 1782.
It has a size of about 0.3 x 0.2 light-years and lies about 1400 light-years away.
Also known as NGC 7009.
→ Saturn, such named by Lord Rosse in the 1840s, because the
object has a vague resemblance to the planet Saturn in low-resolution telescopes;
© 2005-2019 by M. Heydari-Malayeri