Owl Nebula miq-e buf, ~ joqd Fr.: Nébuleuse de la Chouette A → planetary nebula in the constellation → Ursa Major, one of the four planetary nebulae in → Messier catalog. It is one of the more complex planetary nebulae known. Its appearance has been interpreted as that of a cylindrical torus shell viewed obliquely, so that the projected matter-poor ends of the cylinder correspond with the Owl's eyes. Also known as M97 or NGC 3587. Discovered by Pierre Méchain in 1781, the name goes back to Lord Rosse, who first used it in 1848. → owl; → nebula. |