NGC 7662, also known as the Blue Snowball Nebula or Snowball Nebula, is a planetary nebula located in the constellation Andromeda. NGC 7662 is a popular planetary nebula for casual observers. A small telescope will reveal a star-like object with slight nebulosity. A 6" telescope with a magnification around 100x will reveal a slightly bluish disk, while telescopes with a primary mirror at least 16" in diameter may reveal slight colour and brightness variations in the interior. Read more
The magnitude +8.3 planetary nebula NGC 7662 was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 Inch) speculum reflecting telescope at Datchet on October 6, 1784