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M52-Bubble Nebula area (TMB92 20Da).jpg
M52 and Bubble Nebula area, taken with TMB92mm apo refractor with Borg .85 Reducer/Flattener for f/4.6. Taken Sept 29/30, with Canon 20Da at ISO 400 for stack of 4 x 12 minute exposures. Mach 1 mount and Orion autoguider and PHD Guider used.