| M4 | Cat's Eye NGC 6121 |
| Globular Cluster | Scorpius |
| Magnitude 5.4 | Diameter 35min |
| 06/09/2004 |
|
| Charlotte | Prime focus | f/4 |
| 800mm | 16x | Motor drive and manual guiding |
| Canon Digital Rebel | 400 ISO | 1 minute 30 seconds |
| Stack of 3 pictures (30s + 30s + 30s) aligned with Photoshop, curves and levels adjusted to get rid of the light pollution and the slight shift to red. |
| Back |