The New General Catalogue of Nebulae and Clusters of Stars is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxi
Four different planetary nebulae. Clockwise starting from the top left: NGC 6543, NGC 7662, NGC 6826, and NGC 7009.
The Cat's Eye Nebula is a planetary nebula in the northern constellation of Draco, discovered by William Herschel on February 15, 1786. It was the first planetary nebula whose spectrum was investigate
Hubble Space Telescope image of Cat's Eye Nebula
Cat's Eye Nebula imaged by Euclid and the Hubble Space Telescope
An optical image of the nebula's surrounding halo
Composite image using optical images from the HST and X-ray data from the Chandra X-ray Observatory