03 Dec 2022
Messier 19, a globular cluster in the constellation Ophiuchus, first resolved into individual stars by William Herschel in 1784.
M19
6 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 300 | 1h35m | 19 |
| Red | 300 | 1h35m | 19 |
| Green | 284 | 1h30m | 19 |
| Blue | 317 | 1h35m | 18 |