pfile
north america and pelican nebulae
80x240s = 5h20min, no moon
location = oakland, ca
date = 7/15/2010 - 7/16/2010
hap griffin modified canon 50d (astrodon L filter), astronomik CLS filter
canon 200mm f/2.8L @ f/4
sensor cooled to 12-13C with peltier cooler
ISO800
master calibration frames made with pixinsight 1.6.
54 bias frames
96 dark frames
40 flat frames
light evaluation with deepskystacker
processing with pixinsight 1.6:
lights calibrated and registered
lights integrated in average mode, winsorized sigma clipping, high = 3.8, low = 3.8
red channel morphological erosion to fix red star bloat
deconvolution (10 iterations RRL, std_dev = 1.4)
a'trous wavelet sharpening
masked stretch
histogram transformation
curves transformation
dark structure enhancement script
lightroom 2.0:
black levels
red hue, luminance
clarity adjustment
north america and pelican nebulae
80x240s = 5h20min, no moon
location = oakland, ca
date = 7/15/2010 - 7/16/2010
hap griffin modified canon 50d (astrodon L filter), astronomik CLS filter
canon 200mm f/2.8L @ f/4
sensor cooled to 12-13C with peltier cooler
ISO800
master calibration frames made with pixinsight 1.6.
54 bias frames
96 dark frames
40 flat frames
light evaluation with deepskystacker
processing with pixinsight 1.6:
lights calibrated and registered
lights integrated in average mode, winsorized sigma clipping, high = 3.8, low = 3.8
red channel morphological erosion to fix red star bloat
deconvolution (10 iterations RRL, std_dev = 1.4)
a'trous wavelet sharpening
masked stretch
histogram transformation
curves transformation
dark structure enhancement script
lightroom 2.0:
black levels
red hue, luminance
clarity adjustment