IC 418 spans 0.3 light-years across. IC 418 IC 418, also known as Spirograph Nebula, is a planetary nebula in the Milky Way Galaxy. The name derives from the intricate pattern of the nebula, which resembles a pattern which can be created using the Spirograph, a toy that produces geometric patterns (specifically, hypotrochoids and epitrochoids) on paper. Only a few million years ago, IC 418 was probably a common red giant star. Since running out of nuclear fuel, though, the outer envelope has begun expanding outward leaving a hot remnant core destined to become a white dwarf star. IC 418 lies about
Denys brass, Olveston father to L in Dexter position of honour. Russell was his heiress-mother, Gorges a former Russell heiress. On the R. is Sir Walter Denys, the son, with the arms of his co-heiress 2nd. wife, Agnes Danvers, in the 4th. Q. Denys:"3 leopards' faces jessant-de-lys, over all a bend engrailled". With tinctures it becomes:"Gules, 3 leopards' faces or jessant-de-lys azure, over all a bend engrailled of the last".The Denys arms blazoned with these tinctures survive earliest in BL Add.MS 45131,f.54, a 1509 drawing of Hugh Denys of Osterley(d.1511) at the deathbed of Henry VII. The armourials are the arms of Cantilupe