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John
I have the same problem with stars. You can use the image inspector in ASTAP to inspect a file. Over my head. My stars are a shocker when using a more sensitive camera. Fairly certain curvature may be at play. Slight tilt could be corrected by pulling the train apart and putting back together if it exists. My SW72 is not the best thats why I crop....poor optics; I have what I see in my reflector....coma. They are great with eyepieces but a camera will show flaws.
Two weeks ago I sold one of my kidneys and bought a ZWO 2600 Pro and filters. I manged to get out the other night and took 8x240sec shots with Sii Ha Oiii, 24 pics all up. Flying seagulls in the corners. If I was using my ZWO 183 they would be less pronounced.
Last edited by Bodon; 08-04-2023 at 10:26 AM.
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