Autore dello sfondo:
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 da cui è stata elaborata l'immagine
IC 443
7 credit
- Tipo di obiettivo............................................................................................................................Supernova Remnant
- Fotocamera............................................................................................................................FLI ProLine PL9000
- Coordinate dell'obiettivo............................................................................................................................RA 94.5113 Dec 22.66
- Emisfero............................................................................................................................Southern
- Posizione del telescopio............................................................................................................................Chile
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................17 Oct 2020 - 14 Dec 2022
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 300 | 1h20m | 16 |
| Red | 300 | 1h20m | 16 |
| Green | 300 | 1h20m | 16 |
| Blue | 338 | 1h30m | 16 |
| Halpha | 920 | 3h50m | 15 |