12 May 2022
Planetary nebula in Draco. The small Seyfert galaxy, NGC6552, can be seen to the far left. While the Cat's Eye is about 3-4K ly away, NGC6552 is 370M ly! That makes it about 110,000x larger. Data from the Observation Bundle.
NGC 6543
4 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 30 | 8m | 16 |
| Red | 15 | 4m | 16 |
| Green | 15 | 4m | 16 |
| Blue | 16 | 4m | 15 |
| Halpha | 1520 | 6h20m | 15 |