M31
Date: 2008/08/30
Place: Ondrejov, mhv 6.2
Lens: SV80S (80/480mm) + TV0.8x
Exposition: Canon EOS350, 3.5h (26x8min)
Mount: Losmandy G8, Orion StarShoot guider + 80/480mm
Image processing: dark current and hot cells in dcraw (shown is half size image obtained with -h obtion), curve modification in PixInsight LE



Last update Sep 12, 2008 by AK.