Autore dello sfondo:
Alexander Curry
13 Jul 2021
The Helix Nebula
This is an "HOO" palette image which really helps to bring out the contrast between the OIII center and the Ha outer nebula. More exposures would really bring out more of the even feinter nebulosity surrounding the core (and reduce the huge amount of noise!)
Dataset da cui è stata elaborata l'immagine
NGC 7293
1 credit
- Tipo di obiettivo............................................................................................................................Planetary Nebula
- Fotocamera............................................................................................................................FLI PL16803
- Coordinate dell'obiettivo............................................................................................................................RA 337.40833 Dec -20.83694
- Emisfero............................................................................................................................Southern
- Posizione del telescopio............................................................................................................................Chile
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................17 Aug 2020 - 18 Aug 2020
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| SII | 600 | 10m | 1 |
| Halpha | 600 | 10m | 1 |
| OIII | 600 | 10m | 1 |