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David O'Hara

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David O'Hara
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  • you're spot on! no dithering hahayour video was also very helpful in understanding why the image looked "worse" after calibrating. I actually had wondered the same thing in the past about DBE.  I'll try dithering on the next clear night and see how …
  • I have a little update: I swapped my cables and plugged directly into my camera while imaging. took my subs and things looked good- no banding pattern visible. I stacked everything with darks, flats, dark flats and the banding pattern came back. I t…
  • okay sounds good! At some point I started powering the camera through my mount so hopefully that's the issue. usually I plan all my acquisition through the ASIair. Is that something you would avoid with this test? I'll do this test on the next clear…
  • Okay great thank you! I'll see what I can do in star alignment. I only recently received the gear used to create this data (which was more of a trouble-shooting night, as reflected in the data's quality), so still have some adjustments to make. Than…