Questions tagged [astrophotography]

Imaging of astronomical objects or large regions of the sky.

41 questions
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How can we take pictures of something billion of light years away?

I have had this question in my mind for a long time, I thought you guys might enlighten me easily. I am confused about some space photographs and claims like "this galaxy is 13 billions light years away from us.": how we can take the photograph of…
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Considerations about a mathematically accurate calculation of astrophotography exposure times

Dear StackExchange community, I hope this is the right place for my question. This question is motivated by the photographical topic, but is about a purely mathematical issue. In astrophotography, a common problem is the "trailing" of stars in…