Wallpaper author:
Paul Waddington
25 Jun 2026
NGC 6543 (Cat's Eye Nebula)
NGC 6543 is a beautiful planetary nebula also known as the Cat's Eye Nebula, in the northern constellation Draco.
Image stacked in Siril, processed in PixInsight (DBE, BXT, NXT, GHS) and final adjustments in Affinity Photo 2.
Used also SASPro Halo-Be-Gon to reduce RGB star haloes and to process separately the subset of 120s exposures to highlight the nebula core
Dataset from which the image was processed
NGC 6543
8 credit
- Type of target............................................................................................................................Planetary Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 269.6392 Dec 66.633
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................19 Jun 2023 - 03 Oct 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 470 | 3h55m | 30 |
| Luminance | 230 | 1h55m | 30 |
| Red | 331 | 2h40m | 29 |
| Green | 238 | 1h55m | 29 |
| Blue | 228 | 1h50m | 29 |