Cocoon Nebula in Ha RGB
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| Photographer | Wes Stauffer |
| Optics | A&M RC 400 IM-T |
| Mount | Paramount ME |
| Guiding | SBIG ST 402 through MMOAG with ProTrack engaged |
| Camera | Apogee U16M at -20C |
| Filters | Astrodon 5 nm Ha and RGB |
| Dates/Times | August 15 - 30, 2008 |
| Location | Tiburon, CA |
| Exposure Details | 4.5 hours Ha and 2 hours each RGB |
| Acquisition | CCDSoft 5 and The Sky 6 Controlled via CCDAutopilot 4 |
| Processing | CCDStack, Photoshop CS3 |
| Notes | The Cocoon
Nebula, IC 5146, is both an emission nebula and a reflection nebula
sitting some 4,000 light years away in Cygnus. To enhance the RGB data, I added Ha to the Red channel and, to a lesser extent to the blue channel to bring out the Hydrogen Beta. Final adjustments were made in PhotoShop.  |
