NGC 6231 (also known as Caldwell 76) is an open cluster of stars in the constellation of Scorpius. Distance from Earth is 5.9 kly
| Camera | Nikon D50 | Scope | ED127 |
|---|---|---|---|
| Mount | EQ6-Pro | Guiding | WO Megrez 72FD, PHD, QHY5 |
| Exposure | 9x4 mins + flats + darks. ISO 800 | Location | Donvale |
| Date | 2009-08-18 |