M51, the Whirlpool Galaxy – Telescope = Celestron 9.25 Edge HD (at f/10, prime focus) Camera = QSI 583 wsg Mount = EQ6 Pro Software = capture, stacking and deconvolution in MaximDL, processing in Photoshop CS5 Exposure (L:R:G:B, minutes) = 100:120:120:120 … Luminance unbinned, colour channels binned 2×2 Date = May 20 and 21, 2012 Beverage = Te Bhaig scotch whiskey by write_adam via http://flic.kr/p/c9Lxms

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