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Plan B - M81 LRGB


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It's been over a month since I've done any imaging, even more since I did anything specific but the one the one thing I did remember is always to have a plan B in case things go awry. Clearly I must have forgotten plenty as there was loads of errors whilst setting up! The original plan was to have a crack at NGC 2903 but things conspired against me and hence Plan B, to add some colour to the M81 I took at Kelling last September. As a reference here's the original mono image: http://stargazerslounge.com/imaging-deep-sky/68149-m81-kelling.html .

M81: Total exposure time 5hrs 15 mins. Luminence 1hr 40 mins (40 x 4 mins). Red 50 mins (10 x 5 mins), Green 45 mins (9 x 5 mins), Blue 60 mins (12 x 5 mins). Taken with an Atik 16HR, with Baader RGB, IR and Hutech IDAS filters through a WO ZS110. Guided with a WO ZS66, QHY5 and PHD all atop an EQ6 pro. Stacked in DSS and processed in Photoshop.



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