05/15/2010
Mt Martha, Victoria, Australia
GSO 10 inch RC F8
G11 with Gemini L4
QHY9
CCD Stack: darks and bias subtracted (no flats), image normalised, defects subtracted, luninance images summed, RGB images mean stacked, all files registered and algined, and Photoshop CS3: FITS liberator RGB combined, and luminance layered in for detail and brightness. Used High pass filter for emphasizing dark lane detail.
LRGB, L binned 2x2 10min subs x 8, RGB binned 3x3 5min subs x 6 per channel, total 170 minutes, or 2.83 hours, @ -20c.
Orion SteadyStar Adaptive Optics Guider
CCD Stack: darks and bias subtracted (no flats), image normalised, defects subtracted, luninance images summed, RGB images mean stacked, all files registered and algined, and Photoshop CS3: FITS liberator RGB combined, and luminance layered in for detail