NGC 6543: Halo of the Cat's Eye Nebula

North is down. 0.5 arcseconds/pixel.

• Color: 1 hour (60 * 60 seconds, none during astro-dark)
• Equipment: C9.25, 0.63 reducer, ASI533 MC (IMX533 OSC), EQ6-R mount.

Here’s the same data with a less aggressive stretch so you can see the core of the nebula:

Raw stacks: 32-bit compressed FITS