13 Jul 2023
NGC 3576 is a bright emission nebula in the Sagittarius arm of the galaxy a few thousand light-years away from the Eta Carinae nebula. It is also approximately 100 light years across and 9000 light-years away from Earth. It was discovered by John Frederick William Herschel on 16 March 1834. Wikipedia
NGC 3372
11 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 18 | 12m | 40 |
| Halpha | 585 | 6h30m | 40 |
| Red | 293 | 3h15m | 40 |
| Green | 293 | 3h15m | 40 |
| Blue | 210 | 2h20m | 40 |