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Cat's Eyeblob is a planetary nebula in the constellation of Dracodragon. It looks like a cat's eye, hence the name.
It was first discovered by a Brit named William Herschel.
The Hubble space telescope revealed knots, jets, bubbles and complex arcs, being illuminated by the central hot planetary nebula nucleus (PNN). It is a well-studied object that has been observed from radio to X-ray wavelengths.