02 Dec 2025
NGC 6744 (Caldwell 101 or the Pavo Galaxy) is a spiral Galaxy in the constellation Pavo (Peacock). The distance is estimated as 38.6 ± 2.7 Mly .
The galaxy was discovered on 30 June 1826 by Scottish astronomer James Dunlop, observing from Australia.
One of the largest spiral galaxies in the local universe, NGC 6744 is considered a Milky Way mimic in the immediate vicinity, displaying remarkable star formation, arms, and an elongated core.
(Wikipedia)
Data used contain 183 LRGB subframes , 300sec each, with total exposure times:
Luminance -4h30min;
Red -3h 15 min; Green -4h 10min, Blue- 3h 20min;
Total integration 15h 15 min
To combine RGB & L images I used the ImageBlend script .
NGC 6744
11 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 426 | 4h30m | 38 |
| Red | 316 | 3h15m | 37 |
| Green | 405 | 4h10m | 37 |
| Blue | 324 | 3h20m | 37 |
| Halpha | 24 | 15m | 37 |