|
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: |
~1.5" - 2" |
|
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. |
