| M6 | Butterfly Cluster NGC 6405 |
| Open Cluster | Scorpius |
| Magnitude 4.2 | Diameter 20min |
| 07/16/2004 |
|
| Doughton Park | Prime focus | f/4 |
| 800mm | 16x | Motor drive and manual guiding |
| Canon Digital Rebel | 400 ISO | 11 minutes 8 seconds |
| Stack of 5 pictures (129s + 135s + 135s + 135s + 134s) aligned with Photoshop, curves and levels adjusted to get rid of the light pollution and the slight shift to red. |
| Back |