Autore dello sfondo:
Marius Dinga
16 Jan 2026
NGC 2841
NGC 2841 is an unbarred spiral galaxy in the constellation Ursa Major.
This is the prototype for the flocculent spiral galaxy, a type of spiral galaxy whose arms are patchy and discontinuous. The morphological class is SAa, indicating a spiral galaxy with no central bar and very tightly-wound arms.
Dataset da cui è stata elaborata l'immagine
NGC 2841
20 credit
- Tipo di obiettivo............................................................................................................................Galaxy
- Fotocamera............................................................................................................................FLI Proline PL16803
- Coordinate dell'obiettivo............................................................................................................................RA 140.5112 Dec 50.9766
- Emisfero............................................................................................................................Northern
- Posizione del telescopio............................................................................................................................United States of America
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................15 Feb 2023 - 23 Mar 2023
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 1705 | 9h | 19 |
| Red | 758 | 4h | 19 |
| Green | 800 | 4h | 18 |
| Blue | 800 | 4h | 18 |
| Halpha | 1133 | 5h40m | 18 |