Quote:
Originally Posted by meade expert
HI
I would like to ask the group what things can cause square stars in an image.
The image was taken through a Vixen like scope 200mm f4 with thick spider vanes.
The camera was a asi533MC colour OSC with a Baader coma corrector.
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As Bojan said, the diffraction spikes could certainly play in to the issue, especially with THICK vanes and maybe binning the image or cropping in too far /too hard etc... many possibilities.
You need more information to get to the root cause.
Best
JA