This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Vdersol Circumzenith Vdersolstavlan. Detail from Vdersolstavlan centred on Circumzenithal arc featuring halo Sundog and most likely misinterpreted Circumscribed arc and Upper tangent arc Scan from poster published by Museum of medieval Stockholm Mats Halldin May UTC PDart Vdersolstavlan PDold
Page 2023 Free-images.com. All images are Public Domain