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How many subs taken and with what camera???. How many subs bias, flat and dark frames?? ISO rating, F ratio etc etc. Was it shot piggyback or prime focus???. We need to know those to be able to help. You have a lot of JPEG compression noise there, however that streaking could also be just noise from the pic...not having enough frames to pickup your S/N ratio. It may also be read noise, like Ivo mentioned. You can get plugins which will help remove this.
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