Strange Yellow Line

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Calamity Jess
Calamity Jess New Member • Posts: 2
Strange Yellow Line

Hey all, I'm an old returning member that has since forgotten her sign in ! Anyhow, I recently purchased a Canon EOS 5D Mark IV. I decided to try some star shooting last night, and while it was just practice, I found something that disturbed me. If you look at the bottom section of this image (enhanced to make it more visible) you'll see a yellow horizontal line. This doesn't happen in my normal daylight shots, Only in the slow speed night shots. The image was shot with a 50mm f/1.8 STM lens.

Exposure 32sec at f/3.2 ISO 100 on manual.

I did have some light pollution, and there was heat lightning on occasion. CAmera was pointed almost straight up, on a tripod. Any idea what caused this?

 Calamity Jess's gear list:Calamity Jess's gear list
Canon EOS 5D Mark IV Canon EF 100mm F2.8L Macro IS USM Canon EF 16-35mm F4L IS USM Canon EF 50mm F1.8 STM Canon EF 24-105mm F4L IS II USM +1 more
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