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Uneven diffraction spikes?
Hi All,
I am experiencing uneven diffraction spikes in my images.
Unfortunately, I didn't save an image of it, but I have an illustration that is fairly accurate to what I observed. I will collect some photos next clear night.
I noticed it slightly a couple of weeks ago, but it became extremely clear when I imaged a bright star.
I do suspect I have some tilt in my image train introduced by my filter wheel pointed in the direction of the smaller spikes, I have a tilt adapter which I have used to reduce the tilt.
I also have some astigmatism, the exact source of which I am unsure of...
My question is whether this uneven diffraction spike is a result of tilt? And if so could I use it as a reporter of tilt to hone in the tilt even more?
Has anyone experienced this?
Regards,
Stefan
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