NGC5457 (M101)
Date: 2008/04/27
Place: Ondrejov, mhv~5.5
Lens: SV80S + TV0.8x - D=80mm at f/4.8
Exposition: ATIK 16IC, LRGB (72:24:24:24 min), 8min expositions
Mount: Losmandy G8, Orion StarShoot guider + 80/480mm
Image processing: master dark frame, curve modification and LRGB composition in PixInsight LE



Last update May 16, 2008 by AK.