| Date: | September (ST-10), November (XCM) 2007 |
| Location: | Elizabeth, CO. ~6500 ft., Mag 5.5 skies |
| Telescope: | 16" f/4.9 Newtonian, Pegasus Optics primary, f/9.8 for luminance, f/4.9 for color. Above image scale at f/7.35 |
| Mount: | Mathis Instruments MI-500 |
| Exposure: | 216 mins B&W ST-10XME, 60 mins RGB ST-2000XCM |
| Correctors, filters, etc.: | TV 2" 2x PowerMate on ST-10 giving f/9.8. 3" Keller/Wynne coma corrector on XCM, f/4.9. Custom Scientific luminance filter in front of Lumicon Ha filter used on each ST-10 sub. Custom Scientific luminance filter in front of XCM. Both ST-10 and XCM AO-L guided |
| Seeing: | ~3.5" FWHM |
| Comments: |
Twenty-seven ST-10 subs summed, each 8 mins long. 50% DDP applied in Maxim. CCDStack used on DDP result for PC deconvolutions Six XCM subs, each 10 mins long, calibrated in CCDOps, color converted in Maxim and summed. DDP applied in Maxim. Luminance and colorizing image registered in Registar, final HaRGB image assembled in CCDStack |