
| Date: | December, 2003 |
| Location: | Elizabeth, CO. ~6500 ft., Mag 5.5 skies |
| Telescope: | 16.25" f/4.7, working at f/11.5 |
| Exposure Duration: | Luminance = 60 min = sum of fifteen 4 min exposures, RGB = 20:20:20 min, binned 1x1, imaged at f/7.2, -15 deg C |
| Imager: | ST-8E, AO-7 guided |
| Filtration: | None for luminance. SBIG research grade RGB, 2" TeleVue Barlow placed before AO-7 unit |
| Guiding: | AO-7, at ~ 7.5Hz |
| Seeing: | Good, ~2.6", windy conditions |
| Comments: | Luminance = dark and flat frame calibration and combining in Maxim, 20% DDP in Maxim, 4 iterate LR deconvolution in CCDSharp, Color = RGB combine in Maxim, LRGB and histogram adjustment and mild sharpening in Corel's Photo-Paint 10. Star background processed separately, image processed separately, layered into star background. |