Last Season Of Cat S Eye Nebula Draco Constellation Special Edition. The cat s eye nebula is a planetary nebula in the northern constellation of draco discovered by william herschel on february 15 1786. Draco is one of the largest northern constellations.
It was formed around 1 000 years ago when a hot bright central star expelled its outer envelope. The constellation is home to the cat s eye nebula ngc 6543 the spindle galaxy m102 and the tadpole galaxy arp 188. One can see up to magnitude 7 8 objects with perfect eyes under ideal dark sky conditions.
One can see up to magnitude 7 8 objects with perfect eyes under ideal dark sky conditions.
For reference the full moon is 30 arc minutes or 0 5 in size. The nebula s designation in the new general catalogue is ngc 6543. One can see up to magnitude 7 8 objects with perfect eyes under ideal dark sky conditions. It was the first planetary nebula whose spectrum was investigated by the english amateur astronomer william huggins demonstrating that planetary nebulae were gaseous and not stellar in nature.