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this post was submitted on 09 Nov 2024
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Not really a bad question. The diffraction spikes have been corrected for.
Honest question: Do people think stars look like the star shape because of diffraction spikes in refractor telescopes? I thought the star shape pre-dated any refractor telescope. And I don't know how many people would have seen refractor images back in the days to make it so culturally engrained?
The post-processing used in astronomical observations is a really interesting topic. I'm following the debate around the black hole images with great interest. I don't know enough about the specifics to have an opinion, but it is very interesting and has overlap with some of the things I do for work.
I’ve always wondered this. For now I’ve settled on the hypothesis that all the first astronomers all had astigmatism.