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What causes this?
Howdy. Hope your all enjoying some clear skies. I was wondering if any of you could identify what the problem may be by my posted picture. Visually, I cant fault this scope, great views, awesome detail, not 100% star collimated but , heck, its not too bad, and being a fast focal ratio, I keep it well tuned. It is my LXD55 SN10 tube. Is this vignetting? I cant seem to get a good round star in any camera, and sometimes they can look more like a dash than a dot.
Thanks.
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