Cat's Eye Nebula

Introduction
Cat's Eye Nebula, also known NGC 6543, Snail Nebula, Sunflower Nebula, IC 4677 and Caldwell 6, is a Planetary Nebula in The Draco Constellation. The Cat's Eye Nebula's Core has a mass of 0.96 Solar Masses and a radius of 0.2 Light Years. Sunflower Nebula is 3.3 Thousand Light Years from Earth. Snail Nebula was discovered on February 15th, 1786 by German-British Astronomer William  Herschel.