Taken with a SW ED80 and Trius SX26C over several nights in August 2015. LIGHTS: 48 x 300s. DARKS: 30; BIAS: 100; FLATS: 40 all at -20C. Post processing in MAXIM DL and Photoshop CC. Applied LR deconvolution in MAXIM DL .The slightly ethereal effect is a by-product of the Screen Mask Invert technique used in PS post processing.