23 Nov 2024
Located in the constellation Aquarius about 655 light-years away, the Helix Nebula was formed by ionized gas ejected from a giant red star. That star is now a white dwarf.
This data set includes exposures from 2023 and 2024. I processed it using the HOO palette because the SII channel was weaker and noisier than the others.
NGC 7293
13 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Halpha | 800 | 10h | 45 |
| Luminance | 193 | 2h25m | 45 |
| Blue | 173 | 2h10m | 45 |
| Green | 164 | 2h | 44 |
| Red | 164 | 2h | 44 |