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Meade LXD75 8-inch f/4 Schmidt-Newtonian, Meade DSI Pro 2 imager
LHaRGB image of M51 using exposures taken on 8 different nights between Feb and Apr 2009. The image is a combination of 70 120s L exposures, 15 480s H-alpha exposures, 46 240s R exposures, 14 240s G exposures, and 19 480 B exposures. Exposures were captured using Nebulosity 2 and auto-guided using PHD. Image processing done with AIP4WIN, DeepSkyStacker, Nebulosity 2, and PhotoShop.