This has me keen to try to chase down a reflection, I only recently started imaging with any seriousness. Just before the new year I gave my old 350D a last go on the horsehead and flame and the reflection from Alnitak when it is just out of frame is absolutely spectacular. I tried it again with the new camera (ASI 294) and it is just as spectacular. Think in terms curved rays of light, coming together in a big ellipse if you bring Alnitak in to view at the edge of the frame. There is a similar effect on my M42 shot in the beginner section.
I will have to try all of the above by way of tests to look for bright surfaces, and do a test without the reducer I have in the train now.
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