Wallpaper author:
JEAN-LOUIS FAIVRE
18 Dec 2022
IC 443
IC 443 is an extended source, having an angular diameter of 50 arcmin (by comparison, the full moon is 30 arcmin across). At the estimated distance of 5,000 ly (1,500 parsec) from Earth, it corresponds to a physical size of roughly 70 light years (20 parsec). (Wikipedia)
Dataset from which the image was processed
IC 443
7 credit
- Type of target............................................................................................................................Supernova Remnant
- Camera............................................................................................................................FLI ProLine PL9000
- Target coordinates............................................................................................................................RA 94.5113 Dec 22.66
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................17 Oct 2020 - 14 Dec 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 300 | 1h20m | 16 |
| Red | 300 | 1h20m | 16 |
| Green | 300 | 1h20m | 16 |
| Blue | 338 | 1h30m | 16 |
| Halpha | 920 | 3h50m | 15 |