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Everything posted by RCRyan

  1. Just an update I went out briefly tonight after re-collimating but I'm suffering from the same problem. I've attached some pictures of what I'm experiencing in the hope they might shed some light on the situation. They're each a single shot of a very out of focus Polaris and show the star becoming skewed as it moves towards the edge of the frame. The problem also persists when I rotate to different stars at different angles. Any more advice would be greatly appreciated!
  2. There is a little movement in the camera so that seems like a possible cause. Just have to wait for a clear night now to do some testing and altering. Thank you for your help!
  3. Thank you! M81/M82 was 20 5-minute exposures at 800 iso and Andromeda was 20 3-minute exposures at the same iso. Obviously a good deal of post processing too.
  4. No there's nothing else in the imaging train. The tilt idea makes sense, is there any way I can check this or is it something I'll have to adjust and test as I go.
  5. Hi there, I've recently jumped fully into the DSO side of astrophotography and have been having trouble with stars that aren't quite round. My last two imaging sessions have produced stars seemingly pointing in different directions across the field of the image. After the first image we collimated the scope and the problem has continued but we think our collimation may still be off. I use a SkyWatcher 130PDS with a Canon 6D Mark II and the Baader MPCC Coma Corrector. The problem persists regardless of whether or not the coma corrector is in the imaging train. It also persisted regardless
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