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Summer Triangle Challenge

Another Crescent Nebula

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Managed a few hours of imaging on Friday night. Below is the result from stacking 62 three minute exposures of the Crescent Nebula, using a ZWO 071 camera (gain = 200, sensor cooled to 0 C) attached to an Askar FRA 300 f/5 refractor. Autoguiding etc was managed by an ASI Air Pro, and the telescope was on an RST-135 mount. I used DSS for stacking and a combination of Nebulosity, GraXpert and Affinity for processing. I also used an L-Enhance filter for this image. 



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