NGC 6888 Ha OIII OIII
This site best viewed with Internet Explorer 6.0 or higher.
 |
Click here for a 1600 x 1600
image (1.6 MB) Click here for a 2500 x 2500 image (2.85 MB) |
| 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 |
| Filters | Astrodon 5 nm Hydrogen Alpha and 3 nm OIII |
| Dates/Times | July 10-29, 2008 |
| Location | Tiburon, CA |
| Exposure Details | 16 hours of Ha and 10 hours of OIII (30 Minute Subs) |
| Acquisition | CCDSoft 5 and The Sky 6 Controlled via CCDAutopilot 4 |
| Processing | CCDStack, Photoshop CS3 |
| Notes | This rendition of the Crescent Nebula is made up of
Hydrogen Alpha mapped to Red and
OIII mapped to Blue and Green. The strong OIII data stands out as a
Teal shroud covering the Crescent. The Ha and OIII sub exposures were processed and combined in CCDStack with each receiving a 200 iteration deconvolution routine. Final adjustments were made in PhotoShop.  |
