| M20 M21 | Trifid Nebula NGC 6514 NGC 6531 |
| Emission Nebula and Open Cluster | Sagittarius |
| Magnitude 6.3 | Diameter 20min |
| 07/26/2003 |
|
| Doughton Park | Prime focus | f/4 |
| 800mm | 16x | Motor drive and manual guiding |
| Minolta Stsi | Kodak Elite Chrome 200 ISO | 10 minutes |
| Image scanned with Nikon Coolscan IV ED and processed with Photoshop. |
| 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 |
| 5 pictures (129s + 135s + 135s + 135s + 134s) aligned and processed with Photoshop. |
| 06/15/2006 |
 |
| Doughton Park | Prime focus | f/6.3 |
| 1480mm | 29.6x | Motor drive |
| Canon 20Da | 1600 ISO | 6 minutes |
| 6 pictures (1 minute each) aligned and processed with Photoshop. |
| 09/20/2006 |
 |
| Doughton Park | Prime focus | f/3.3 |
| 530mm | 11x | Motor drive and manual guiding |
| Canon 20Da | 1600 ISO | 24 minutes |
| 8 pictures calibrated, aligned and stacked with ImagePlus, enhanced with Photoshop. |
| Back |