14 Jun 2021
NGC 6723 is a globular cluster in the constellation Sagittarius. Its magnitude is given between 6 and 6.8, and diameter between 7 and 11 arcminutes, class VII with stars magnitude 14 and dimmer. It is near the border of Sagittarius and Corona Australis. Unlike a common globular clusters, NGC 6723 has an enhanced metallicity and large fraction of younger stars, with primordial stars accounting to only 0.363±0.017 of totals.
NGC 6723
8 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 322 | 2h25m | 27 |
| Red | 300 | 2h15m | 27 |
| Green | 277 | 2h | 26 |
| Blue | 300 | 2h10m | 26 |