Autore dello sfondo:
Jan Scheers
31 Aug 2022
NGC 55
NGC 55, also known as The Whale Galaxy (or Caldwell 72), is a barred irregular spiral galaxy located about five million light years away in the constellation Sculptor.
NGC 55 is nearly edge-on and appears asymmetrical, like a cigar. Its bulge is diffuse, broad, and somewhat elongated. The bright core is crossed with clouds of gas and dust, and it has a lot of pinkish active star forming regions, and young blue star clusters.
Image acquired with CHI-1 (Planewave CDK24). Data from 3 one-click observations.
Total integration time: 240 minutes
LRGB: 6 subs of 600s with each filter.
Dataset da cui è stata elaborata l'immagine
NGC 55
10 credit
- Tipo di obiettivo............................................................................................................................Galaxy
- Fotocamera............................................................................................................................FLI ProLine PL9000
- Coordinate dell'obiettivo............................................................................................................................RA 3.72329 Dec -39.19661
- Emisfero............................................................................................................................Southern
- Posizione del telescopio............................................................................................................................Chile
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................11 Sept 2020 - 21 Nov 2022
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Blue | 632 | 3h20m | 19 |
| Luminance | 695 | 3h40m | 19 |
| Red | 616 | 3h15m | 19 |
| Green | 700 | 3h30m | 18 |
| Halpha | 133 | 40m | 18 |