IR question
Long-time forum lurker, first-time poster. So ... hi!
I don't have much experience with IR, but when I was in Valencia a few weeks ago I found myself with some time to kill and an IR filter in my bag, so decided to have a play. The shots aren't amazing but I didn't expect them to be (I didn't have a tripod, for starters) but I'm curious about the dot in the middle of the images - would this have been somehow caused by the long exposure? I've taken the odd IR shot before (see image4) but have not come across this. Would anyone be able to shed light on why it happened?
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